19705296

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1420

約数の個数: 80

約数和(自身を含む): 57246336

約数和(自身を除く): 37541040

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1373, 1794, 2392, 2746, 3588, 4119, 4784, 5492, 7176, 8238, 10984, 14352, 16476, 17849, 21968, 31579, 32952, 35698, 53547, 63158, 65904, 71396, 94737, 107094, 126316, 142792, 189474, 214188, 252632, 285584, 378948, 410527, 428376, 505264, 757896, 821054, 856752, 1231581, 1515792, 1642108, 2463162, 3284216, 4926324, 6568432, 9852648, 19705296]

約数ペア:

[(1, 19705296), (2, 9852648), (3, 6568432), (4, 4926324), (6, 3284216), (8, 2463162), (12, 1642108), (13, 1515792), (16, 1231581), (23, 856752), (24, 821054), (26, 757896), (39, 505264), (46, 428376), (48, 410527), (52, 378948), (69, 285584), (78, 252632), (92, 214188), (104, 189474), (138, 142792), (156, 126316), (184, 107094), (208, 94737), (276, 71396), (299, 65904), (312, 63158), (368, 53547), (552, 35698), (598, 32952), (624, 31579), (897, 21968), (1104, 17849), (1196, 16476), (1373, 14352), (1794, 10984), (2392, 8238), (2746, 7176), (3588, 5492), (4119, 4784)]