19538960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 56996352

約数和(自身を除く): 37457392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 41, 46, 56, 70, 74, 80, 82, 92, 112, 115, 140, 148, 161, 164, 184, 185, 205, 230, 259, 280, 287, 296, 322, 328, 368, 370, 410, 460, 518, 560, 574, 592, 644, 656, 740, 805, 820, 851, 920, 943, 1036, 1148, 1288, 1295, 1435, 1480, 1517, 1610, 1640, 1702, 1840, 1886, 2072, 2296, 2576, 2590, 2870, 2960, 3034, 3220, 3280, 3404, 3772, 4144, 4255, 4592, 4715, 5180, 5740, 5957, 6068, 6440, 6601, 6808, 7544, 7585, 8510, 9430, 10360, 10619, 11480, 11914, 12136, 12880, 13202, 13616, 15088, 15170, 17020, 18860, 20720, 21238, 22960, 23828, 24272, 26404, 29785, 30340, 33005, 34040, 34891, 37720, 42476, 47656, 52808, 53095, 59570, 60680, 66010, 68080, 69782, 75440, 84952, 95312, 105616, 106190, 119140, 121360, 132020, 139564, 169904, 174455, 212380, 238280, 244237, 264040, 279128, 348910, 424760, 476560, 488474, 528080, 558256, 697820, 849520, 976948, 1221185, 1395640, 1953896, 2442370, 2791280, 3907792, 4884740, 9769480, 19538960]

約数ペア:

[(1, 19538960), (2, 9769480), (4, 4884740), (5, 3907792), (7, 2791280), (8, 2442370), (10, 1953896), (14, 1395640), (16, 1221185), (20, 976948), (23, 849520), (28, 697820), (35, 558256), (37, 528080), (40, 488474), (41, 476560), (46, 424760), (56, 348910), (70, 279128), (74, 264040), (80, 244237), (82, 238280), (92, 212380), (112, 174455), (115, 169904), (140, 139564), (148, 132020), (161, 121360), (164, 119140), (184, 106190), (185, 105616), (205, 95312), (230, 84952), (259, 75440), (280, 69782), (287, 68080), (296, 66010), (322, 60680), (328, 59570), (368, 53095), (370, 52808), (410, 47656), (460, 42476), (518, 37720), (560, 34891), (574, 34040), (592, 33005), (644, 30340), (656, 29785), (740, 26404), (805, 24272), (820, 23828), (851, 22960), (920, 21238), (943, 20720), (1036, 18860), (1148, 17020), (1288, 15170), (1295, 15088), (1435, 13616), (1480, 13202), (1517, 12880), (1610, 12136), (1640, 11914), (1702, 11480), (1840, 10619), (1886, 10360), (2072, 9430), (2296, 8510), (2576, 7585), (2590, 7544), (2870, 6808), (2960, 6601), (3034, 6440), (3220, 6068), (3280, 5957), (3404, 5740), (3772, 5180), (4144, 4715), (4255, 4592)]