19899024

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 54472704

約数和(自身を除く): 34573680

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 86, 93, 124, 129, 172, 186, 248, 258, 311, 344, 372, 496, 516, 622, 688, 744, 933, 1032, 1244, 1333, 1488, 1866, 2064, 2488, 2666, 3732, 3999, 4976, 5332, 7464, 7998, 9641, 10664, 13373, 14928, 15996, 19282, 21328, 26746, 28923, 31992, 38564, 40119, 53492, 57846, 63984, 77128, 80238, 106984, 115692, 154256, 160476, 213968, 231384, 320952, 414563, 462768, 641904, 829126, 1243689, 1658252, 2487378, 3316504, 4974756, 6633008, 9949512, 19899024]

約数ペア:

[(1, 19899024), (2, 9949512), (3, 6633008), (4, 4974756), (6, 3316504), (8, 2487378), (12, 1658252), (16, 1243689), (24, 829126), (31, 641904), (43, 462768), (48, 414563), (62, 320952), (86, 231384), (93, 213968), (124, 160476), (129, 154256), (172, 115692), (186, 106984), (248, 80238), (258, 77128), (311, 63984), (344, 57846), (372, 53492), (496, 40119), (516, 38564), (622, 31992), (688, 28923), (744, 26746), (933, 21328), (1032, 19282), (1244, 15996), (1333, 14928), (1488, 13373), (1866, 10664), (2064, 9641), (2488, 7998), (2666, 7464), (3732, 5332), (3999, 4976)]