17747420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 21897220

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 827, 1073, 1654, 2146, 3308, 4135, 4292, 5365, 8270, 10730, 16540, 21460, 23983, 30599, 47966, 61198, 95932, 119915, 122396, 152995, 239830, 305990, 479660, 611980, 887371, 1774742, 3549484, 4436855, 8873710, 17747420]

約数ペア:

[(1, 17747420), (2, 8873710), (4, 4436855), (5, 3549484), (10, 1774742), (20, 887371), (29, 611980), (37, 479660), (58, 305990), (74, 239830), (116, 152995), (145, 122396), (148, 119915), (185, 95932), (290, 61198), (370, 47966), (580, 30599), (740, 23983), (827, 21460), (1073, 16540), (1654, 10730), (2146, 8270), (3308, 5365), (4135, 4292)]