18993400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4129}}^1$

素因数の和:4168

約数の個数: 48

約数和(自身を含む): 46090800

約数和(自身を除く): 27097400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4129, 4600, 8258, 16516, 20645, 33032, 41290, 82580, 94967, 103225, 165160, 189934, 206450, 379868, 412900, 474835, 759736, 825800, 949670, 1899340, 2374175, 3798680, 4748350, 9496700, 18993400]

約数ペア:

[(1, 18993400), (2, 9496700), (4, 4748350), (5, 3798680), (8, 2374175), (10, 1899340), (20, 949670), (23, 825800), (25, 759736), (40, 474835), (46, 412900), (50, 379868), (92, 206450), (100, 189934), (115, 165160), (184, 103225), (200, 94967), (230, 82580), (460, 41290), (575, 33032), (920, 20645), (1150, 16516), (2300, 8258), (4129, 4600)]