19006876525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{4691}}^1$

素因数の和:4871

約数の個数: 72

約数和(自身を含む): 29385958464

約数和(自身を除く): 10379081939

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 137, 169, 175, 325, 455, 685, 845, 959, 1183, 1781, 2275, 3425, 4225, 4691, 4795, 5915, 8905, 12467, 23153, 23455, 23975, 29575, 32837, 44525, 60983, 62335, 115765, 117275, 162071, 164185, 304915, 311675, 426881, 578825, 642667, 792779, 810355, 820925, 1524575, 2134405, 3213335, 3963895, 4051775, 4498669, 5549453, 8354671, 10672025, 16066675, 19819475, 22493345, 27747265, 41773355, 58482697, 108610723, 112466725, 138736325, 208866775, 292413485, 543053615, 760275061, 1462067425, 2715268075, 3801375305, 19006876525]

約数ペア:

[(1, 19006876525), (5, 3801375305), (7, 2715268075), (13, 1462067425), (25, 760275061), (35, 543053615), (65, 292413485), (91, 208866775), (137, 138736325), (169, 112466725), (175, 108610723), (325, 58482697), (455, 41773355), (685, 27747265), (845, 22493345), (959, 19819475), (1183, 16066675), (1781, 10672025), (2275, 8354671), (3425, 5549453), (4225, 4498669), (4691, 4051775), (4795, 3963895), (5915, 3213335), (8905, 2134405), (12467, 1524575), (23153, 820925), (23455, 810355), (23975, 792779), (29575, 642667), (32837, 578825), (44525, 426881), (60983, 311675), (62335, 304915), (115765, 164185), (117275, 162071)]