19723652

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 37815120

約数和(自身を除く): 18091468

約数列:

[1, 2, 4, 13, 26, 52, 163, 169, 179, 326, 338, 358, 652, 676, 716, 2119, 2327, 4238, 4654, 8476, 9308, 27547, 29177, 30251, 55094, 58354, 60502, 110188, 116708, 121004, 379301, 758602, 1517204, 4930913, 9861826, 19723652]

約数ペア:

[(1, 19723652), (2, 9861826), (4, 4930913), (13, 1517204), (26, 758602), (52, 379301), (163, 121004), (169, 116708), (179, 110188), (326, 60502), (338, 58354), (358, 55094), (652, 30251), (676, 29177), (716, 27547), (2119, 9308), (2327, 8476), (4238, 4654)]