19747080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2923

約数の個数: 96

約数和(自身を含む): 67579200

約数和(自身を除く): 47832120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2887, 3420, 5774, 6840, 8661, 11548, 14435, 17322, 23096, 25983, 28870, 34644, 43305, 51966, 54853, 57740, 69288, 86610, 103932, 109706, 115480, 129915, 164559, 173220, 207864, 219412, 259830, 274265, 329118, 346440, 438824, 493677, 519660, 548530, 658236, 822795, 987354, 1039320, 1097060, 1316472, 1645590, 1974708, 2194120, 2468385, 3291180, 3949416, 4936770, 6582360, 9873540, 19747080]

約数ペア:

[(1, 19747080), (2, 9873540), (3, 6582360), (4, 4936770), (5, 3949416), (6, 3291180), (8, 2468385), (9, 2194120), (10, 1974708), (12, 1645590), (15, 1316472), (18, 1097060), (19, 1039320), (20, 987354), (24, 822795), (30, 658236), (36, 548530), (38, 519660), (40, 493677), (45, 438824), (57, 346440), (60, 329118), (72, 274265), (76, 259830), (90, 219412), (95, 207864), (114, 173220), (120, 164559), (152, 129915), (171, 115480), (180, 109706), (190, 103932), (228, 86610), (285, 69288), (342, 57740), (360, 54853), (380, 51966), (456, 43305), (570, 34644), (684, 28870), (760, 25983), (855, 23096), (1140, 17322), (1368, 14435), (1710, 11548), (2280, 8661), (2887, 6840), (3420, 5774)]