18481580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2346

約数の個数: 48

約数和(自身を含む): 43163904

約数和(自身を除く): 24682324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2293, 4030, 4586, 8060, 9172, 11465, 22930, 29809, 45860, 59618, 71083, 119236, 142166, 149045, 284332, 298090, 355415, 596180, 710830, 924079, 1421660, 1848158, 3696316, 4620395, 9240790, 18481580]

約数ペア:

[(1, 18481580), (2, 9240790), (4, 4620395), (5, 3696316), (10, 1848158), (13, 1421660), (20, 924079), (26, 710830), (31, 596180), (52, 355415), (62, 298090), (65, 284332), (124, 149045), (130, 142166), (155, 119236), (260, 71083), (310, 59618), (403, 45860), (620, 29809), (806, 22930), (1612, 11465), (2015, 9172), (2293, 8060), (4030, 4586)]