19480740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7919}}^1$

素因数の和:7972

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 36402780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7919, 15838, 23757, 31676, 39595, 47514, 79190, 95028, 118785, 158380, 237570, 324679, 475140, 649358, 974037, 1298716, 1623395, 1948074, 3246790, 3896148, 4870185, 6493580, 9740370, 19480740]

約数ペア:

[(1, 19480740), (2, 9740370), (3, 6493580), (4, 4870185), (5, 3896148), (6, 3246790), (10, 1948074), (12, 1623395), (15, 1298716), (20, 974037), (30, 649358), (41, 475140), (60, 324679), (82, 237570), (123, 158380), (164, 118785), (205, 95028), (246, 79190), (410, 47514), (492, 39595), (615, 31676), (820, 23757), (1230, 15838), (2460, 7919)]