18579664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 37997568

約数和(自身を除く): 19417904

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 188, 248, 376, 496, 752, 797, 1457, 1594, 2914, 3188, 5828, 6376, 11656, 12752, 23312, 24707, 37459, 49414, 74918, 98828, 149836, 197656, 299672, 395312, 599344, 1161229, 2322458, 4644916, 9289832, 18579664]

約数ペア:

[(1, 18579664), (2, 9289832), (4, 4644916), (8, 2322458), (16, 1161229), (31, 599344), (47, 395312), (62, 299672), (94, 197656), (124, 149836), (188, 98828), (248, 74918), (376, 49414), (496, 37459), (752, 24707), (797, 23312), (1457, 12752), (1594, 11656), (2914, 6376), (3188, 5828)]