18258160

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{947}}^1$

素因数の和:1201

約数の個数: 40

約数和(自身を含む): 42671376

約数和(自身を除く): 24413216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 947, 964, 1205, 1894, 1928, 2410, 3788, 3856, 4735, 4820, 7576, 9470, 9640, 15152, 18940, 19280, 37880, 75760, 228227, 456454, 912908, 1141135, 1825816, 2282270, 3651632, 4564540, 9129080, 18258160]

約数ペア:

[(1, 18258160), (2, 9129080), (4, 4564540), (5, 3651632), (8, 2282270), (10, 1825816), (16, 1141135), (20, 912908), (40, 456454), (80, 228227), (241, 75760), (482, 37880), (947, 19280), (964, 18940), (1205, 15152), (1894, 9640), (1928, 9470), (2410, 7576), (3788, 4820), (3856, 4735)]