18160420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 41707008

約数和(自身を除く): 23546588

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1723, 2108, 2635, 3446, 5270, 6892, 8615, 10540, 17230, 29291, 34460, 53413, 58582, 106826, 117164, 146455, 213652, 267065, 292910, 534130, 585820, 908021, 1068260, 1816042, 3632084, 4540105, 9080210, 18160420]

約数ペア:

[(1, 18160420), (2, 9080210), (4, 4540105), (5, 3632084), (10, 1816042), (17, 1068260), (20, 908021), (31, 585820), (34, 534130), (62, 292910), (68, 267065), (85, 213652), (124, 146455), (155, 117164), (170, 106826), (310, 58582), (340, 53413), (527, 34460), (620, 29291), (1054, 17230), (1723, 10540), (2108, 8615), (2635, 6892), (3446, 5270)]