19916832

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15959}}^1$

素因数の和:15985

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 36390048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 15959, 31918, 47877, 63836, 95754, 127672, 191508, 207467, 255344, 383016, 414934, 510688, 622401, 766032, 829868, 1244802, 1532064, 1659736, 2489604, 3319472, 4979208, 6638944, 9958416, 19916832]

約数ペア:

[(1, 19916832), (2, 9958416), (3, 6638944), (4, 4979208), (6, 3319472), (8, 2489604), (12, 1659736), (13, 1532064), (16, 1244802), (24, 829868), (26, 766032), (32, 622401), (39, 510688), (48, 414934), (52, 383016), (78, 255344), (96, 207467), (104, 191508), (156, 127672), (208, 95754), (312, 63836), (416, 47877), (624, 31918), (1248, 15959)]