19611436

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:530

約数の個数: 36

約数和(自身を含む): 37804872

約数和(自身を除く): 18193436

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 169, 268, 338, 433, 676, 866, 871, 1732, 1742, 3484, 5629, 11258, 11323, 22516, 22646, 29011, 45292, 58022, 73177, 116044, 146354, 292708, 377143, 754286, 1508572, 4902859, 9805718, 19611436]

約数ペア:

[(1, 19611436), (2, 9805718), (4, 4902859), (13, 1508572), (26, 754286), (52, 377143), (67, 292708), (134, 146354), (169, 116044), (268, 73177), (338, 58022), (433, 45292), (676, 29011), (866, 22646), (871, 22516), (1732, 11323), (1742, 11258), (3484, 5629)]