19640280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14879}}^1$

素因数の和:14904

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 44641320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 14879, 29758, 44637, 59516, 74395, 89274, 119032, 148790, 163669, 178548, 223185, 297580, 327338, 357096, 446370, 491007, 595160, 654676, 818345, 892740, 982014, 1309352, 1636690, 1785480, 1964028, 2455035, 3273380, 3928056, 4910070, 6546760, 9820140, 19640280]

約数ペア:

[(1, 19640280), (2, 9820140), (3, 6546760), (4, 4910070), (5, 3928056), (6, 3273380), (8, 2455035), (10, 1964028), (11, 1785480), (12, 1636690), (15, 1309352), (20, 982014), (22, 892740), (24, 818345), (30, 654676), (33, 595160), (40, 491007), (44, 446370), (55, 357096), (60, 327338), (66, 297580), (88, 223185), (110, 178548), (120, 163669), (132, 148790), (165, 119032), (220, 89274), (264, 74395), (330, 59516), (440, 44637), (660, 29758), (1320, 14879)]