18514972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 39711168

約数和(自身を除く): 21196196

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 97, 119, 194, 238, 388, 401, 476, 679, 802, 1358, 1604, 1649, 2716, 2807, 3298, 5614, 6596, 6817, 11228, 11543, 13634, 23086, 27268, 38897, 46172, 47719, 77794, 95438, 155588, 190876, 272279, 544558, 661249, 1089116, 1322498, 2644996, 4628743, 9257486, 18514972]

約数ペア:

[(1, 18514972), (2, 9257486), (4, 4628743), (7, 2644996), (14, 1322498), (17, 1089116), (28, 661249), (34, 544558), (68, 272279), (97, 190876), (119, 155588), (194, 95438), (238, 77794), (388, 47719), (401, 46172), (476, 38897), (679, 27268), (802, 23086), (1358, 13634), (1604, 11543), (1649, 11228), (2716, 6817), (2807, 6596), (3298, 5614)]