19788120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 54343080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 263, 264, 285, 330, 342, 360, 380, 396, 418, 440, 456, 495, 526, 570, 627, 660, 684, 760, 789, 792, 836, 855, 990, 1045, 1052, 1140, 1254, 1315, 1320, 1368, 1578, 1672, 1710, 1881, 1980, 2090, 2104, 2280, 2367, 2508, 2630, 2893, 3135, 3156, 3420, 3762, 3945, 3960, 4180, 4734, 4997, 5016, 5260, 5786, 6270, 6312, 6840, 7524, 7890, 8360, 8679, 9405, 9468, 9994, 10520, 11572, 11835, 12540, 14465, 14991, 15048, 15780, 17358, 18810, 18936, 19988, 23144, 23670, 24985, 25080, 26037, 28930, 29982, 31560, 34716, 37620, 39976, 43395, 44973, 47340, 49970, 52074, 54967, 57860, 59964, 69432, 74955, 75240, 86790, 89946, 94680, 99940, 104148, 109934, 115720, 119928, 130185, 149910, 164901, 173580, 179892, 199880, 208296, 219868, 224865, 260370, 274835, 299820, 329802, 347160, 359784, 439736, 449730, 494703, 520740, 549670, 599640, 659604, 824505, 899460, 989406, 1041480, 1099340, 1319208, 1649010, 1798920, 1978812, 2198680, 2473515, 3298020, 3957624, 4947030, 6596040, 9894060, 19788120]

約数ペア:

[(1, 19788120), (2, 9894060), (3, 6596040), (4, 4947030), (5, 3957624), (6, 3298020), (8, 2473515), (9, 2198680), (10, 1978812), (11, 1798920), (12, 1649010), (15, 1319208), (18, 1099340), (19, 1041480), (20, 989406), (22, 899460), (24, 824505), (30, 659604), (33, 599640), (36, 549670), (38, 520740), (40, 494703), (44, 449730), (45, 439736), (55, 359784), (57, 347160), (60, 329802), (66, 299820), (72, 274835), (76, 260370), (88, 224865), (90, 219868), (95, 208296), (99, 199880), (110, 179892), (114, 173580), (120, 164901), (132, 149910), (152, 130185), (165, 119928), (171, 115720), (180, 109934), (190, 104148), (198, 99940), (209, 94680), (220, 89946), (228, 86790), (263, 75240), (264, 74955), (285, 69432), (330, 59964), (342, 57860), (360, 54967), (380, 52074), (396, 49970), (418, 47340), (440, 44973), (456, 43395), (495, 39976), (526, 37620), (570, 34716), (627, 31560), (660, 29982), (684, 28930), (760, 26037), (789, 25080), (792, 24985), (836, 23670), (855, 23144), (990, 19988), (1045, 18936), (1052, 18810), (1140, 17358), (1254, 15780), (1315, 15048), (1320, 14991), (1368, 14465), (1578, 12540), (1672, 11835), (1710, 11572), (1881, 10520), (1980, 9994), (2090, 9468), (2104, 9405), (2280, 8679), (2367, 8360), (2508, 7890), (2630, 7524), (2893, 6840), (3135, 6312), (3156, 6270), (3420, 5786), (3762, 5260), (3945, 5016), (3960, 4997), (4180, 4734)]