19475280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2459}}^1$

素因数の和:2489

約数の個数: 120

約数和(自身を含む): 71379360

約数和(自身を除く): 51904080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2459, 2640, 3960, 4918, 7377, 7920, 9836, 12295, 14754, 19672, 22131, 24590, 27049, 29508, 36885, 39344, 44262, 49180, 54098, 59016, 73770, 81147, 88524, 98360, 108196, 110655, 118032, 135245, 147540, 162294, 177048, 196720, 216392, 221310, 243441, 270490, 295080, 324588, 354096, 405735, 432784, 442620, 486882, 540980, 590160, 649176, 811470, 885240, 973764, 1081960, 1217205, 1298352, 1622940, 1770480, 1947528, 2163920, 2434410, 3245880, 3895056, 4868820, 6491760, 9737640, 19475280]

約数ペア:

[(1, 19475280), (2, 9737640), (3, 6491760), (4, 4868820), (5, 3895056), (6, 3245880), (8, 2434410), (9, 2163920), (10, 1947528), (11, 1770480), (12, 1622940), (15, 1298352), (16, 1217205), (18, 1081960), (20, 973764), (22, 885240), (24, 811470), (30, 649176), (33, 590160), (36, 540980), (40, 486882), (44, 442620), (45, 432784), (48, 405735), (55, 354096), (60, 324588), (66, 295080), (72, 270490), (80, 243441), (88, 221310), (90, 216392), (99, 196720), (110, 177048), (120, 162294), (132, 147540), (144, 135245), (165, 118032), (176, 110655), (180, 108196), (198, 98360), (220, 88524), (240, 81147), (264, 73770), (330, 59016), (360, 54098), (396, 49180), (440, 44262), (495, 39344), (528, 36885), (660, 29508), (720, 27049), (792, 24590), (880, 22131), (990, 19672), (1320, 14754), (1584, 12295), (1980, 9836), (2459, 7920), (2640, 7377), (3960, 4918)]