19653960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7121}}^1$

素因数の和:7158

約数の個数: 64

約数和(自身を含む): 61534080

約数和(自身を除く): 41880120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7121, 14242, 21363, 28484, 35605, 42726, 56968, 71210, 85452, 106815, 142420, 163783, 170904, 213630, 284840, 327566, 427260, 491349, 655132, 818915, 854520, 982698, 1310264, 1637830, 1965396, 2456745, 3275660, 3930792, 4913490, 6551320, 9826980, 19653960]

約数ペア:

[(1, 19653960), (2, 9826980), (3, 6551320), (4, 4913490), (5, 3930792), (6, 3275660), (8, 2456745), (10, 1965396), (12, 1637830), (15, 1310264), (20, 982698), (23, 854520), (24, 818915), (30, 655132), (40, 491349), (46, 427260), (60, 327566), (69, 284840), (92, 213630), (115, 170904), (120, 163783), (138, 142420), (184, 106815), (230, 85452), (276, 71210), (345, 56968), (460, 42726), (552, 35605), (690, 28484), (920, 21363), (1380, 14242), (2760, 7121)]