18980424

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1103}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 51667200

約数和(自身を除く): 32686776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1103, 1434, 1912, 2151, 2206, 2868, 3309, 4302, 4412, 5736, 6618, 8604, 8824, 9927, 13236, 17208, 19854, 26472, 39708, 79416, 263617, 527234, 790851, 1054468, 1581702, 2108936, 2372553, 3163404, 4745106, 6326808, 9490212, 18980424]

約数ペア:

[(1, 18980424), (2, 9490212), (3, 6326808), (4, 4745106), (6, 3163404), (8, 2372553), (9, 2108936), (12, 1581702), (18, 1054468), (24, 790851), (36, 527234), (72, 263617), (239, 79416), (478, 39708), (717, 26472), (956, 19854), (1103, 17208), (1434, 13236), (1912, 9927), (2151, 8824), (2206, 8604), (2868, 6618), (3309, 5736), (4302, 4412)]