19933264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2107

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 22564016

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2039, 2444, 4078, 4888, 8156, 9776, 16312, 26507, 32624, 53014, 95833, 106028, 191666, 212056, 383332, 424112, 766664, 1245829, 1533328, 2491658, 4983316, 9966632, 19933264]

約数ペア:

[(1, 19933264), (2, 9966632), (4, 4983316), (8, 2491658), (13, 1533328), (16, 1245829), (26, 766664), (47, 424112), (52, 383332), (94, 212056), (104, 191666), (188, 106028), (208, 95833), (376, 53014), (611, 32624), (752, 26507), (1222, 16312), (2039, 9776), (2444, 8156), (4078, 4888)]