19561856

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{2281}}^1$

素因数の和:2362

約数の個数: 32

約数和(自身を含む): 39569880

約数和(自身を除く): 20008024

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 268, 536, 1072, 2144, 2281, 4288, 4562, 8576, 9124, 18248, 36496, 72992, 145984, 152827, 291968, 305654, 611308, 1222616, 2445232, 4890464, 9780928, 19561856]

約数ペア:

[(1, 19561856), (2, 9780928), (4, 4890464), (8, 2445232), (16, 1222616), (32, 611308), (64, 305654), (67, 291968), (128, 152827), (134, 145984), (268, 72992), (536, 36496), (1072, 18248), (2144, 9124), (2281, 8576), (4288, 4562)]