18818830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4813}}^1$

素因数の和:4860

約数の個数: 32

約数和(自身を含む): 37433664

約数和(自身を除く): 18614834

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 4813, 9626, 24065, 48130, 81821, 110699, 163642, 221398, 409105, 553495, 818210, 1106990, 1881883, 3763766, 9409415, 18818830]

約数ペア:

[(1, 18818830), (2, 9409415), (5, 3763766), (10, 1881883), (17, 1106990), (23, 818210), (34, 553495), (46, 409105), (85, 221398), (115, 163642), (170, 110699), (230, 81821), (391, 48130), (782, 24065), (1955, 9626), (3910, 4813)]