19645857556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{227}}^1\times {\mathrm{1979}}^1$

素因数の和:2281

約数の個数: 72

約数和(自身を含む): 38534015520

約数和(自身を除く): 18888157964

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 227, 377, 454, 754, 841, 908, 1508, 1682, 1979, 2951, 3364, 3958, 5902, 6583, 7916, 10933, 11804, 13166, 21866, 25727, 26332, 43732, 51454, 57391, 85579, 102908, 114782, 171158, 190907, 229564, 342316, 381814, 449233, 746083, 763628, 898466, 1492166, 1664339, 1796932, 2481791, 2984332, 3328678, 4963582, 5840029, 6657356, 9927164, 11680058, 13027757, 21636407, 23360116, 26055514, 43272814, 52111028, 86545628, 169360841, 338721682, 377804953, 677443364, 755609906, 1511219812, 4911464389, 9822928778, 19645857556]

約数ペア:

[(1, 19645857556), (2, 9822928778), (4, 4911464389), (13, 1511219812), (26, 755609906), (29, 677443364), (52, 377804953), (58, 338721682), (116, 169360841), (227, 86545628), (377, 52111028), (454, 43272814), (754, 26055514), (841, 23360116), (908, 21636407), (1508, 13027757), (1682, 11680058), (1979, 9927164), (2951, 6657356), (3364, 5840029), (3958, 4963582), (5902, 3328678), (6583, 2984332), (7916, 2481791), (10933, 1796932), (11804, 1664339), (13166, 1492166), (21866, 898466), (25727, 763628), (26332, 746083), (43732, 449233), (51454, 381814), (57391, 342316), (85579, 229564), (102908, 190907), (114782, 171158)]