18295580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 41416704

約数和(自身を除く): 23121124

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1283, 1426, 2566, 2852, 3565, 5132, 6415, 7130, 12830, 14260, 25660, 29509, 39773, 59018, 79546, 118036, 147545, 159092, 198865, 295090, 397730, 590180, 795460, 914779, 1829558, 3659116, 4573895, 9147790, 18295580]

約数ペア:

[(1, 18295580), (2, 9147790), (4, 4573895), (5, 3659116), (10, 1829558), (20, 914779), (23, 795460), (31, 590180), (46, 397730), (62, 295090), (92, 198865), (115, 159092), (124, 147545), (155, 118036), (230, 79546), (310, 59018), (460, 39773), (620, 29509), (713, 25660), (1283, 14260), (1426, 12830), (2566, 7130), (2852, 6415), (3565, 5132)]