19666330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 37713600

約数和(自身を除く): 18047270

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1163, 1691, 2326, 3382, 5815, 8455, 11630, 16910, 22097, 44194, 103507, 110485, 207014, 220970, 517535, 1035070, 1966633, 3933266, 9833165, 19666330]

約数ペア:

[(1, 19666330), (2, 9833165), (5, 3933266), (10, 1966633), (19, 1035070), (38, 517535), (89, 220970), (95, 207014), (178, 110485), (190, 103507), (445, 44194), (890, 22097), (1163, 16910), (1691, 11630), (2326, 8455), (3382, 5815)]