19493420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 24632788

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1367, 1426, 2734, 2852, 3565, 5468, 6835, 7130, 13670, 14260, 27340, 31441, 42377, 62882, 84754, 125764, 157205, 169508, 211885, 314410, 423770, 628820, 847540, 974671, 1949342, 3898684, 4873355, 9746710, 19493420]

約数ペア:

[(1, 19493420), (2, 9746710), (4, 4873355), (5, 3898684), (10, 1949342), (20, 974671), (23, 847540), (31, 628820), (46, 423770), (62, 314410), (92, 211885), (115, 169508), (124, 157205), (155, 125764), (230, 84754), (310, 62882), (460, 42377), (620, 31441), (713, 27340), (1367, 14260), (1426, 13670), (2734, 7130), (2852, 6835), (3565, 5468)]