18680455908

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{140891}}^1$

素因数の和:141057

約数の個数: 72

約数和(自身を含む): 49233300480

約数和(自身を除く): 30552844572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 127, 174, 254, 261, 348, 381, 508, 522, 762, 1044, 1143, 1524, 2286, 3683, 4572, 7366, 11049, 14732, 22098, 33147, 44196, 66294, 132588, 140891, 281782, 422673, 563564, 845346, 1268019, 1690692, 2536038, 4085839, 5072076, 8171678, 12257517, 16343356, 17893157, 24515034, 35786314, 36772551, 49030068, 53679471, 71572628, 73545102, 107358942, 147090204, 161038413, 214717884, 322076826, 518901553, 644153652, 1037803106, 1556704659, 2075606212, 3113409318, 4670113977, 6226818636, 9340227954, 18680455908]

約数ペア:

[(1, 18680455908), (2, 9340227954), (3, 6226818636), (4, 4670113977), (6, 3113409318), (9, 2075606212), (12, 1556704659), (18, 1037803106), (29, 644153652), (36, 518901553), (58, 322076826), (87, 214717884), (116, 161038413), (127, 147090204), (174, 107358942), (254, 73545102), (261, 71572628), (348, 53679471), (381, 49030068), (508, 36772551), (522, 35786314), (762, 24515034), (1044, 17893157), (1143, 16343356), (1524, 12257517), (2286, 8171678), (3683, 5072076), (4572, 4085839), (7366, 2536038), (11049, 1690692), (14732, 1268019), (22098, 845346), (33147, 563564), (44196, 422673), (66294, 281782), (132588, 140891)]