19580491268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61357}}^1$

素因数の和:61429

約数の個数: 72

約数和(自身を含む): 41237730072

約数和(自身を除く): 21657238804

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 361, 442, 494, 646, 722, 884, 988, 1292, 1444, 4199, 4693, 6137, 8398, 9386, 12274, 16796, 18772, 24548, 61357, 79781, 122714, 159562, 245428, 319124, 797641, 1043069, 1165783, 1595282, 2086138, 2331566, 3190564, 4172276, 4663132, 13559897, 15155179, 19818311, 22149877, 27119794, 30310358, 39636622, 44299754, 54239588, 60620716, 79273244, 88599508, 257638043, 287948401, 376547909, 515276086, 575896802, 753095818, 1030552172, 1151793604, 1506191636, 4895122817, 9790245634, 19580491268]

約数ペア:

[(1, 19580491268), (2, 9790245634), (4, 4895122817), (13, 1506191636), (17, 1151793604), (19, 1030552172), (26, 753095818), (34, 575896802), (38, 515276086), (52, 376547909), (68, 287948401), (76, 257638043), (221, 88599508), (247, 79273244), (323, 60620716), (361, 54239588), (442, 44299754), (494, 39636622), (646, 30310358), (722, 27119794), (884, 22149877), (988, 19818311), (1292, 15155179), (1444, 13559897), (4199, 4663132), (4693, 4172276), (6137, 3190564), (8398, 2331566), (9386, 2086138), (12274, 1595282), (16796, 1165783), (18772, 1043069), (24548, 797641), (61357, 319124), (79781, 245428), (122714, 159562)]