19859892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 50746752

約数和(自身を除く): 30886860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2087, 2379, 3172, 4174, 4758, 6261, 8348, 9516, 12522, 25044, 27131, 54262, 81393, 108524, 127307, 162786, 254614, 325572, 381921, 509228, 763842, 1527684, 1654991, 3309982, 4964973, 6619964, 9929946, 19859892]

約数ペア:

[(1, 19859892), (2, 9929946), (3, 6619964), (4, 4964973), (6, 3309982), (12, 1654991), (13, 1527684), (26, 763842), (39, 509228), (52, 381921), (61, 325572), (78, 254614), (122, 162786), (156, 127307), (183, 108524), (244, 81393), (366, 54262), (732, 27131), (793, 25044), (1586, 12522), (2087, 9516), (2379, 8348), (3172, 6261), (4174, 4758)]