18833520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:922

約数の個数: 80

約数和(自身を含む): 59058720

約数和(自身を除く): 40225200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 809, 970, 1164, 1455, 1552, 1618, 1940, 2328, 2427, 2910, 3236, 3880, 4045, 4656, 4854, 5820, 6472, 7760, 8090, 9708, 11640, 12135, 12944, 16180, 19416, 23280, 24270, 32360, 38832, 48540, 64720, 78473, 97080, 156946, 194160, 235419, 313892, 392365, 470838, 627784, 784730, 941676, 1177095, 1255568, 1569460, 1883352, 2354190, 3138920, 3766704, 4708380, 6277840, 9416760, 18833520]

約数ペア:

[(1, 18833520), (2, 9416760), (3, 6277840), (4, 4708380), (5, 3766704), (6, 3138920), (8, 2354190), (10, 1883352), (12, 1569460), (15, 1255568), (16, 1177095), (20, 941676), (24, 784730), (30, 627784), (40, 470838), (48, 392365), (60, 313892), (80, 235419), (97, 194160), (120, 156946), (194, 97080), (240, 78473), (291, 64720), (388, 48540), (485, 38832), (582, 32360), (776, 24270), (809, 23280), (970, 19416), (1164, 16180), (1455, 12944), (1552, 12135), (1618, 11640), (1940, 9708), (2328, 8090), (2427, 7760), (2910, 6472), (3236, 5820), (3880, 4854), (4045, 4656)]