18394755

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 32186880

約数和(自身を除く): 13792125

約数列:

[1, 3, 5, 15, 19, 43, 57, 79, 95, 129, 215, 237, 285, 361, 395, 645, 817, 1083, 1185, 1501, 1805, 2451, 3397, 4085, 4503, 5415, 7505, 10191, 12255, 15523, 16985, 22515, 28519, 46569, 50955, 64543, 77615, 85557, 142595, 193629, 232845, 322715, 427785, 968145, 1226317, 3678951, 6131585, 18394755]

約数ペア:

[(1, 18394755), (3, 6131585), (5, 3678951), (15, 1226317), (19, 968145), (43, 427785), (57, 322715), (79, 232845), (95, 193629), (129, 142595), (215, 85557), (237, 77615), (285, 64543), (361, 50955), (395, 46569), (645, 28519), (817, 22515), (1083, 16985), (1185, 15523), (1501, 12255), (1805, 10191), (2451, 7505), (3397, 5415), (4085, 4503)]