18260045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 24641280

約数和(自身を除く): 6381235

約数列:

[1, 5, 19, 23, 61, 95, 115, 137, 305, 437, 685, 1159, 1403, 2185, 2603, 3151, 5795, 7015, 8357, 13015, 15755, 26657, 41785, 59869, 133285, 158783, 192211, 299345, 793915, 961055, 3652009, 18260045]

約数ペア:

[(1, 18260045), (5, 3652009), (19, 961055), (23, 793915), (61, 299345), (95, 192211), (115, 158783), (137, 133285), (305, 59869), (437, 41785), (685, 26657), (1159, 15755), (1403, 13015), (2185, 8357), (2603, 7015), (3151, 5795)]