18682491

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 27596800

約数和(自身を除く): 8914309

約数列:

[1, 3, 19, 31, 57, 93, 97, 109, 291, 327, 589, 1767, 1843, 2071, 3007, 3379, 5529, 6213, 9021, 10137, 10573, 31719, 57133, 64201, 171399, 192603, 200887, 327763, 602661, 983289, 6227497, 18682491]

約数ペア:

[(1, 18682491), (3, 6227497), (19, 983289), (31, 602661), (57, 327763), (93, 200887), (97, 192603), (109, 171399), (291, 64201), (327, 57133), (589, 31719), (1767, 10573), (1843, 10137), (2071, 9021), (3007, 6213), (3379, 5529)]