19965150

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 57496320

約数和(自身を除く): 37531170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 135, 138, 150, 207, 225, 230, 270, 345, 414, 450, 575, 621, 643, 675, 690, 1035, 1150, 1242, 1286, 1350, 1725, 1929, 2070, 3105, 3215, 3450, 3858, 5175, 5787, 6210, 6430, 9645, 10350, 11574, 14789, 15525, 16075, 17361, 19290, 28935, 29578, 31050, 32150, 34722, 44367, 48225, 57870, 73945, 86805, 88734, 96450, 133101, 144675, 147890, 173610, 221835, 266202, 289350, 369725, 399303, 434025, 443670, 665505, 739450, 798606, 868050, 1109175, 1331010, 1996515, 2218350, 3327525, 3993030, 6655050, 9982575, 19965150]

約数ペア:

[(1, 19965150), (2, 9982575), (3, 6655050), (5, 3993030), (6, 3327525), (9, 2218350), (10, 1996515), (15, 1331010), (18, 1109175), (23, 868050), (25, 798606), (27, 739450), (30, 665505), (45, 443670), (46, 434025), (50, 399303), (54, 369725), (69, 289350), (75, 266202), (90, 221835), (115, 173610), (135, 147890), (138, 144675), (150, 133101), (207, 96450), (225, 88734), (230, 86805), (270, 73945), (345, 57870), (414, 48225), (450, 44367), (575, 34722), (621, 32150), (643, 31050), (675, 29578), (690, 28935), (1035, 19290), (1150, 17361), (1242, 16075), (1286, 15525), (1350, 14789), (1725, 11574), (1929, 10350), (2070, 9645), (3105, 6430), (3215, 6210), (3450, 5787), (3858, 5175)]