19879064

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 38577600

約数和(自身を除く): 18698536

約数列:

[1, 2, 4, 8, 37, 74, 148, 239, 281, 296, 478, 562, 956, 1124, 1912, 2248, 8843, 10397, 17686, 20794, 35372, 41588, 67159, 70744, 83176, 134318, 268636, 537272, 2484883, 4969766, 9939532, 19879064]

約数ペア:

[(1, 19879064), (2, 9939532), (4, 4969766), (8, 2484883), (37, 537272), (74, 268636), (148, 134318), (239, 83176), (281, 70744), (296, 67159), (478, 41588), (562, 35372), (956, 20794), (1124, 17686), (1912, 10397), (2248, 8843)]