19044920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 26297800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 127, 163, 184, 230, 254, 326, 460, 508, 635, 652, 815, 920, 1016, 1270, 1304, 1630, 2540, 2921, 3260, 3749, 5080, 5842, 6520, 7498, 11684, 14605, 14996, 18745, 20701, 23368, 29210, 29992, 37490, 41402, 58420, 74980, 82804, 103505, 116840, 149960, 165608, 207010, 414020, 476123, 828040, 952246, 1904492, 2380615, 3808984, 4761230, 9522460, 19044920]

約数ペア:

[(1, 19044920), (2, 9522460), (4, 4761230), (5, 3808984), (8, 2380615), (10, 1904492), (20, 952246), (23, 828040), (40, 476123), (46, 414020), (92, 207010), (115, 165608), (127, 149960), (163, 116840), (184, 103505), (230, 82804), (254, 74980), (326, 58420), (460, 41402), (508, 37490), (635, 29992), (652, 29210), (815, 23368), (920, 20701), (1016, 18745), (1270, 14996), (1304, 14605), (1630, 11684), (2540, 7498), (2921, 6520), (3260, 5842), (3749, 5080)]