18630388

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 39155200

約数和(自身を除く): 20524812

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 367, 518, 686, 734, 1036, 1372, 1468, 1813, 2569, 3626, 5138, 7252, 10276, 12691, 13579, 17983, 25382, 27158, 35966, 50764, 54316, 71932, 95053, 125881, 190106, 251762, 380212, 503524, 665371, 1330742, 2661484, 4657597, 9315194, 18630388]

約数ペア:

[(1, 18630388), (2, 9315194), (4, 4657597), (7, 2661484), (14, 1330742), (28, 665371), (37, 503524), (49, 380212), (74, 251762), (98, 190106), (148, 125881), (196, 95053), (259, 71932), (343, 54316), (367, 50764), (518, 35966), (686, 27158), (734, 25382), (1036, 17983), (1372, 13579), (1468, 12691), (1813, 10276), (2569, 7252), (3626, 5138)]