19179680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9221}}^1$

素因数の和:9249

約数の個数: 48

約数和(自身を含む): 48802824

約数和(自身を除く): 29623144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9221, 18442, 36884, 46105, 73768, 92210, 119873, 147536, 184420, 239746, 295072, 368840, 479492, 599365, 737680, 958984, 1198730, 1475360, 1917968, 2397460, 3835936, 4794920, 9589840, 19179680]

約数ペア:

[(1, 19179680), (2, 9589840), (4, 4794920), (5, 3835936), (8, 2397460), (10, 1917968), (13, 1475360), (16, 1198730), (20, 958984), (26, 737680), (32, 599365), (40, 479492), (52, 368840), (65, 295072), (80, 239746), (104, 184420), (130, 147536), (160, 119873), (208, 92210), (260, 73768), (416, 46105), (520, 36884), (1040, 18442), (2080, 9221)]