19939296

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1229}}^1$

素因数の和:1268

約数の個数: 72

約数和(自身を含む): 56722680

約数和(自身を除く): 36783384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1229, 1248, 1352, 2028, 2458, 2704, 3687, 4056, 4916, 5408, 7374, 8112, 9832, 14748, 15977, 16224, 19664, 29496, 31954, 39328, 47931, 58992, 63908, 95862, 117984, 127816, 191724, 207701, 255632, 383448, 415402, 511264, 623103, 766896, 830804, 1246206, 1533792, 1661608, 2492412, 3323216, 4984824, 6646432, 9969648, 19939296]

約数ペア:

[(1, 19939296), (2, 9969648), (3, 6646432), (4, 4984824), (6, 3323216), (8, 2492412), (12, 1661608), (13, 1533792), (16, 1246206), (24, 830804), (26, 766896), (32, 623103), (39, 511264), (48, 415402), (52, 383448), (78, 255632), (96, 207701), (104, 191724), (156, 127816), (169, 117984), (208, 95862), (312, 63908), (338, 58992), (416, 47931), (507, 39328), (624, 31954), (676, 29496), (1014, 19664), (1229, 16224), (1248, 15977), (1352, 14748), (2028, 9832), (2458, 8112), (2704, 7374), (3687, 5408), (4056, 4916)]