19855368

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2357}}^1$

素因数の和:2388

約数の個数: 80

約数和(自身を含む): 59916780

約数和(自身を除く): 40061412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2357, 2808, 4212, 4714, 7071, 8424, 9428, 14142, 18856, 21213, 28284, 30641, 42426, 56568, 61282, 63639, 84852, 91923, 122564, 127278, 169704, 183846, 190917, 245128, 254556, 275769, 367692, 381834, 509112, 551538, 735384, 763668, 827307, 1103076, 1527336, 1654614, 2206152, 2481921, 3309228, 4963842, 6618456, 9927684, 19855368]

約数ペア:

[(1, 19855368), (2, 9927684), (3, 6618456), (4, 4963842), (6, 3309228), (8, 2481921), (9, 2206152), (12, 1654614), (13, 1527336), (18, 1103076), (24, 827307), (26, 763668), (27, 735384), (36, 551538), (39, 509112), (52, 381834), (54, 367692), (72, 275769), (78, 254556), (81, 245128), (104, 190917), (108, 183846), (117, 169704), (156, 127278), (162, 122564), (216, 91923), (234, 84852), (312, 63639), (324, 61282), (351, 56568), (468, 42426), (648, 30641), (702, 28284), (936, 21213), (1053, 18856), (1404, 14142), (2106, 9428), (2357, 8424), (2808, 7071), (4212, 4714)]