19921392

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3739}}^1$

素因数の和:3790

約数の個数: 60

約数和(自身を含む): 57274360

約数和(自身を除く): 37352968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3739, 5328, 7478, 11217, 14956, 22434, 29912, 33651, 44868, 59824, 67302, 89736, 134604, 138343, 179472, 269208, 276686, 415029, 538416, 553372, 830058, 1106744, 1245087, 1660116, 2213488, 2490174, 3320232, 4980348, 6640464, 9960696, 19921392]

約数ペア:

[(1, 19921392), (2, 9960696), (3, 6640464), (4, 4980348), (6, 3320232), (8, 2490174), (9, 2213488), (12, 1660116), (16, 1245087), (18, 1106744), (24, 830058), (36, 553372), (37, 538416), (48, 415029), (72, 276686), (74, 269208), (111, 179472), (144, 138343), (148, 134604), (222, 89736), (296, 67302), (333, 59824), (444, 44868), (592, 33651), (666, 29912), (888, 22434), (1332, 14956), (1776, 11217), (2664, 7478), (3739, 5328)]