19978524432

素因数分解:

$2^4\times 3^2\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{2671}}^1$

素因数の和:3221

約数の個数: 120

約数和(自身を含む): 56511303680

約数和(自身を除く): 36532779248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 127, 144, 254, 381, 409, 508, 762, 818, 1016, 1143, 1227, 1524, 1636, 2032, 2286, 2454, 2671, 3048, 3272, 3681, 4572, 4908, 5342, 6096, 6544, 7362, 8013, 9144, 9816, 10684, 14724, 16026, 18288, 19632, 21368, 24039, 29448, 32052, 42736, 48078, 51943, 58896, 64104, 96156, 103886, 128208, 155829, 192312, 207772, 311658, 339217, 384624, 415544, 467487, 623316, 678434, 831088, 934974, 1017651, 1092439, 1246632, 1356868, 1869948, 2035302, 2184878, 2493264, 2713736, 3052953, 3277317, 3739896, 4070604, 4369756, 5427472, 6105906, 6554634, 7479792, 8141208, 8739512, 9831951, 12211812, 13109268, 16282416, 17479024, 19663902, 24423624, 26218536, 39327804, 48847248, 52437072, 78655608, 138739753, 157311216, 277479506, 416219259, 554959012, 832438518, 1109918024, 1248657777, 1664877036, 2219836048, 2497315554, 3329754072, 4994631108, 6659508144, 9989262216, 19978524432]

約数ペア:

[(1, 19978524432), (2, 9989262216), (3, 6659508144), (4, 4994631108), (6, 3329754072), (8, 2497315554), (9, 2219836048), (12, 1664877036), (16, 1248657777), (18, 1109918024), (24, 832438518), (36, 554959012), (48, 416219259), (72, 277479506), (127, 157311216), (144, 138739753), (254, 78655608), (381, 52437072), (409, 48847248), (508, 39327804), (762, 26218536), (818, 24423624), (1016, 19663902), (1143, 17479024), (1227, 16282416), (1524, 13109268), (1636, 12211812), (2032, 9831951), (2286, 8739512), (2454, 8141208), (2671, 7479792), (3048, 6554634), (3272, 6105906), (3681, 5427472), (4572, 4369756), (4908, 4070604), (5342, 3739896), (6096, 3277317), (6544, 3052953), (7362, 2713736), (8013, 2493264), (9144, 2184878), (9816, 2035302), (10684, 1869948), (14724, 1356868), (16026, 1246632), (18288, 1092439), (19632, 1017651), (21368, 934974), (24039, 831088), (29448, 678434), (32052, 623316), (42736, 467487), (48078, 415544), (51943, 384624), (58896, 339217), (64104, 311658), (96156, 207772), (103886, 192312), (128208, 155829)]