20181927216

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{538357}}^1$

素因数の和:538450

約数の個数: 80

約数和(自身を含む): 57677522688

約数和(自身を除く): 37495595472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 71, 88, 132, 142, 176, 213, 264, 284, 426, 528, 568, 781, 852, 1136, 1562, 1704, 2343, 3124, 3408, 4686, 6248, 9372, 12496, 18744, 37488, 538357, 1076714, 1615071, 2153428, 3230142, 4306856, 5921927, 6460284, 8613712, 11843854, 12920568, 17765781, 23687708, 25841136, 35531562, 38223347, 47375416, 71063124, 76446694, 94750832, 114670041, 142126248, 152893388, 229340082, 284252496, 305786776, 420456817, 458680164, 611573552, 840913634, 917360328, 1261370451, 1681827268, 1834720656, 2522740902, 3363654536, 5045481804, 6727309072, 10090963608, 20181927216]

約数ペア:

[(1, 20181927216), (2, 10090963608), (3, 6727309072), (4, 5045481804), (6, 3363654536), (8, 2522740902), (11, 1834720656), (12, 1681827268), (16, 1261370451), (22, 917360328), (24, 840913634), (33, 611573552), (44, 458680164), (48, 420456817), (66, 305786776), (71, 284252496), (88, 229340082), (132, 152893388), (142, 142126248), (176, 114670041), (213, 94750832), (264, 76446694), (284, 71063124), (426, 47375416), (528, 38223347), (568, 35531562), (781, 25841136), (852, 23687708), (1136, 17765781), (1562, 12920568), (1704, 11843854), (2343, 8613712), (3124, 6460284), (3408, 5921927), (4686, 4306856), (6248, 3230142), (9372, 2153428), (12496, 1615071), (18744, 1076714), (37488, 538357)]