18930495

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 32481792

約数和(自身を除く): 13551297

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1483, 2553, 4255, 4449, 7415, 12765, 22245, 34109, 54871, 102327, 164613, 170545, 274355, 511635, 823065, 1262033, 3786099, 6310165, 18930495]

約数ペア:

[(1, 18930495), (3, 6310165), (5, 3786099), (15, 1262033), (23, 823065), (37, 511635), (69, 274355), (111, 170545), (115, 164613), (185, 102327), (345, 54871), (555, 34109), (851, 22245), (1483, 12765), (2553, 7415), (4255, 4449)]