19828936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{691}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 39610080

約数和(自身を除く): 19781144

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211, 422, 691, 844, 1382, 1688, 2764, 3587, 5528, 7174, 11747, 14348, 23494, 28696, 46988, 93976, 145801, 291602, 583204, 1166408, 2478617, 4957234, 9914468, 19828936]

約数ペア:

[(1, 19828936), (2, 9914468), (4, 4957234), (8, 2478617), (17, 1166408), (34, 583204), (68, 291602), (136, 145801), (211, 93976), (422, 46988), (691, 28696), (844, 23494), (1382, 14348), (1688, 11747), (2764, 7174), (3587, 5528)]