19973328

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9677}}^1$

素因数の和:9731

約数の個数: 40

約数和(自身を含む): 52803168

約数和(自身を除く): 32829840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9677, 19354, 29031, 38708, 58062, 77416, 116124, 154832, 232248, 416111, 464496, 832222, 1248333, 1664444, 2496666, 3328888, 4993332, 6657776, 9986664, 19973328]

約数ペア:

[(1, 19973328), (2, 9986664), (3, 6657776), (4, 4993332), (6, 3328888), (8, 2496666), (12, 1664444), (16, 1248333), (24, 832222), (43, 464496), (48, 416111), (86, 232248), (129, 154832), (172, 116124), (258, 77416), (344, 58062), (516, 38708), (688, 29031), (1032, 19354), (2064, 9677)]