19019120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7669}}^1$

素因数の和:7713

約数の個数: 40

約数和(自身を含む): 45651840

約数和(自身を除く): 26632720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7669, 15338, 30676, 38345, 61352, 76690, 122704, 153380, 237739, 306760, 475478, 613520, 950956, 1188695, 1901912, 2377390, 3803824, 4754780, 9509560, 19019120]

約数ペア:

[(1, 19019120), (2, 9509560), (4, 4754780), (5, 3803824), (8, 2377390), (10, 1901912), (16, 1188695), (20, 950956), (31, 613520), (40, 475478), (62, 306760), (80, 237739), (124, 153380), (155, 122704), (248, 76690), (310, 61352), (496, 38345), (620, 30676), (1240, 15338), (2480, 7669)]