19975688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1163}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 39808800

約数和(自身を除く): 19833112

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 1163, 2147, 2326, 4294, 4652, 8588, 9304, 17176, 22097, 44194, 88388, 131419, 176776, 262838, 525676, 1051352, 2496961, 4993922, 9987844, 19975688]

約数ペア:

[(1, 19975688), (2, 9987844), (4, 4993922), (8, 2496961), (19, 1051352), (38, 525676), (76, 262838), (113, 176776), (152, 131419), (226, 88388), (452, 44194), (904, 22097), (1163, 17176), (2147, 9304), (2326, 8588), (4294, 4652)]