1917236420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{458669}}^1$

素因数の和:458708

約数の個数: 48

約数和(自身を含む): 4623393600

約数和(自身を除く): 2706157180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 458669, 917338, 1834676, 2293345, 4586690, 5045359, 8714711, 9173380, 10090718, 17429422, 20181436, 25226795, 34858844, 43573555, 50453590, 87147110, 95861821, 100907180, 174294220, 191723642, 383447284, 479309105, 958618210, 1917236420]

約数ペア:

[(1, 1917236420), (2, 958618210), (4, 479309105), (5, 383447284), (10, 191723642), (11, 174294220), (19, 100907180), (20, 95861821), (22, 87147110), (38, 50453590), (44, 43573555), (55, 34858844), (76, 25226795), (95, 20181436), (110, 17429422), (190, 10090718), (209, 9173380), (220, 8714711), (380, 5045359), (418, 4586690), (836, 2293345), (1045, 1834676), (2090, 917338), (4180, 458669)]