18610540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 24854420

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, 2309, 4030, 4618, 8060, 9236, 11545, 23090, 30017, 46180, 60034, 71579, 120068, 143158, 150085, 286316, 300170, 357895, 600340, 715790, 930527, 1431580, 1861054, 3722108, 4652635, 9305270, 18610540]

約数ペア:

[(1, 18610540), (2, 9305270), (4, 4652635), (5, 3722108), (10, 1861054), (13, 1431580), (20, 930527), (26, 715790), (31, 600340), (52, 357895), (62, 300170), (65, 286316), (124, 150085), (130, 143158), (155, 120068), (260, 71579), (310, 60034), (403, 46180), (620, 30017), (806, 23090), (1612, 11545), (2015, 9236), (2309, 8060), (4030, 4618)]