19746134590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:986

約数の個数: 128

約数和(自身を含む): 44277166080

約数和(自身を除く): 24531031490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 163, 182, 239, 326, 455, 478, 557, 815, 910, 1114, 1141, 1195, 1630, 1673, 2119, 2282, 2390, 2785, 3107, 3346, 3899, 4238, 5570, 5705, 6214, 7241, 7798, 8365, 10595, 11410, 14482, 14833, 15535, 16730, 19495, 21190, 21749, 29666, 31070, 36205, 38957, 38990, 43498, 50687, 72410, 74165, 77914, 90791, 101374, 108745, 133123, 148330, 181582, 194785, 217490, 253435, 266246, 272699, 389570, 453955, 506441, 506870, 545398, 635537, 665615, 907910, 931861, 1012882, 1180283, 1271074, 1331230, 1363495, 1730599, 1863722, 2360566, 2532205, 2726990, 3177685, 3461198, 3545087, 4659305, 5064410, 5901415, 6355370, 7090174, 8261981, 8652995, 9318610, 11802830, 12114193, 16523962, 17305990, 17725435, 21699049, 24228386, 35450870, 41309905, 43398098, 60570965, 82619810, 108495245, 121141930, 151893343, 216990490, 282087637, 303786686, 564175274, 759466715, 1410438185, 1518933430, 1974613459, 2820876370, 3949226918, 9873067295, 19746134590]

約数ペア:

[(1, 19746134590), (2, 9873067295), (5, 3949226918), (7, 2820876370), (10, 1974613459), (13, 1518933430), (14, 1410438185), (26, 759466715), (35, 564175274), (65, 303786686), (70, 282087637), (91, 216990490), (130, 151893343), (163, 121141930), (182, 108495245), (239, 82619810), (326, 60570965), (455, 43398098), (478, 41309905), (557, 35450870), (815, 24228386), (910, 21699049), (1114, 17725435), (1141, 17305990), (1195, 16523962), (1630, 12114193), (1673, 11802830), (2119, 9318610), (2282, 8652995), (2390, 8261981), (2785, 7090174), (3107, 6355370), (3346, 5901415), (3899, 5064410), (4238, 4659305), (5570, 3545087), (5705, 3461198), (6214, 3177685), (7241, 2726990), (7798, 2532205), (8365, 2360566), (10595, 1863722), (11410, 1730599), (14482, 1363495), (14833, 1331230), (15535, 1271074), (16730, 1180283), (19495, 1012882), (21190, 931861), (21749, 907910), (29666, 665615), (31070, 635537), (36205, 545398), (38957, 506870), (38990, 506441), (43498, 453955), (50687, 389570), (72410, 272699), (74165, 266246), (77914, 253435), (90791, 217490), (101374, 194785), (108745, 181582), (133123, 148330)]