19150959425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{25301}}^1$

素因数の和:25478

約数の個数: 48

約数和(自身を含む): 27276972912

約数和(自身を除く): 8126013487

約数列:

[1, 5, 13, 17, 25, 65, 85, 137, 221, 325, 425, 685, 1105, 1781, 2329, 3425, 5525, 8905, 11645, 25301, 30277, 44525, 58225, 126505, 151385, 328913, 430117, 632525, 756925, 1644565, 2150585, 3466237, 5591521, 8222825, 10752925, 17331185, 27957605, 45061081, 58926029, 86655925, 139788025, 225305405, 294630145, 766038377, 1126527025, 1473150725, 3830191885, 19150959425]

約数ペア:

[(1, 19150959425), (5, 3830191885), (13, 1473150725), (17, 1126527025), (25, 766038377), (65, 294630145), (85, 225305405), (137, 139788025), (221, 86655925), (325, 58926029), (425, 45061081), (685, 27957605), (1105, 17331185), (1781, 10752925), (2329, 8222825), (3425, 5591521), (5525, 3466237), (8905, 2150585), (11645, 1644565), (25301, 756925), (30277, 632525), (44525, 430117), (58225, 328913), (126505, 151385)]