19615672713

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{42491}}^1$

素因数の和:42622

約数の個数: 64

約数和(自身を含む): 34265548800

約数和(自身を除く): 14649876087

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 89, 91, 133, 247, 267, 273, 399, 623, 741, 1157, 1691, 1729, 1869, 3471, 5073, 5187, 8099, 11837, 21983, 24297, 35511, 42491, 65949, 127473, 153881, 297437, 461643, 552383, 807329, 892311, 1657149, 2421987, 3781699, 3866681, 5651303, 10495277, 11345097, 11600043, 16953909, 26471893, 31485831, 49162087, 71852281, 73466939, 79415679, 147486261, 215556843, 220400817, 344134609, 502965967, 934079653, 1032403827, 1508897901, 2802238959, 6538557571, 19615672713]

約数ペア:

[(1, 19615672713), (3, 6538557571), (7, 2802238959), (13, 1508897901), (19, 1032403827), (21, 934079653), (39, 502965967), (57, 344134609), (89, 220400817), (91, 215556843), (133, 147486261), (247, 79415679), (267, 73466939), (273, 71852281), (399, 49162087), (623, 31485831), (741, 26471893), (1157, 16953909), (1691, 11600043), (1729, 11345097), (1869, 10495277), (3471, 5651303), (5073, 3866681), (5187, 3781699), (8099, 2421987), (11837, 1657149), (21983, 892311), (24297, 807329), (35511, 552383), (42491, 461643), (65949, 297437), (127473, 153881)]