19475144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{691}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 39527040

約数和(自身を除く): 20051896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 691, 1084, 1382, 2168, 2764, 3523, 5528, 7046, 8983, 14092, 17966, 28184, 35932, 71864, 187261, 374522, 749044, 1498088, 2434393, 4868786, 9737572, 19475144]

約数ペア:

[(1, 19475144), (2, 9737572), (4, 4868786), (8, 2434393), (13, 1498088), (26, 749044), (52, 374522), (104, 187261), (271, 71864), (542, 35932), (691, 28184), (1084, 17966), (1382, 14092), (2168, 8983), (2764, 7046), (3523, 5528)]