18405390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 28872690

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 151, 170, 239, 255, 302, 453, 478, 510, 717, 755, 906, 1195, 1434, 1510, 2265, 2390, 2567, 3585, 4063, 4530, 5134, 7170, 7701, 8126, 12189, 12835, 15402, 20315, 24378, 25670, 36089, 38505, 40630, 60945, 72178, 77010, 108267, 121890, 180445, 216534, 360890, 541335, 613513, 1082670, 1227026, 1840539, 3067565, 3681078, 6135130, 9202695, 18405390]

約数ペア:

[(1, 18405390), (2, 9202695), (3, 6135130), (5, 3681078), (6, 3067565), (10, 1840539), (15, 1227026), (17, 1082670), (30, 613513), (34, 541335), (51, 360890), (85, 216534), (102, 180445), (151, 121890), (170, 108267), (239, 77010), (255, 72178), (302, 60945), (453, 40630), (478, 38505), (510, 36089), (717, 25670), (755, 24378), (906, 20315), (1195, 15402), (1434, 12835), (1510, 12189), (2265, 8126), (2390, 7701), (2567, 7170), (3585, 5134), (4063, 4530)]