18794204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 40666080

約数和(自身を除く): 21871876

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 103, 116, 121, 143, 206, 242, 286, 319, 377, 412, 484, 572, 638, 754, 1133, 1276, 1339, 1508, 1573, 2266, 2678, 2987, 3146, 3509, 4147, 4532, 5356, 5974, 6292, 7018, 8294, 11948, 12463, 14036, 14729, 16588, 24926, 29458, 32857, 38831, 45617, 49852, 58916, 65714, 77662, 91234, 131428, 155324, 162019, 182468, 324038, 361427, 427141, 648076, 722854, 854282, 1445708, 1708564, 4698551, 9397102, 18794204]

約数ペア:

[(1, 18794204), (2, 9397102), (4, 4698551), (11, 1708564), (13, 1445708), (22, 854282), (26, 722854), (29, 648076), (44, 427141), (52, 361427), (58, 324038), (103, 182468), (116, 162019), (121, 155324), (143, 131428), (206, 91234), (242, 77662), (286, 65714), (319, 58916), (377, 49852), (412, 45617), (484, 38831), (572, 32857), (638, 29458), (754, 24926), (1133, 16588), (1276, 14729), (1339, 14036), (1508, 12463), (1573, 11948), (2266, 8294), (2678, 7018), (2987, 6292), (3146, 5974), (3509, 5356), (4147, 4532)]