18897920106

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{937}}^1$

素因数の和:1444

約数の個数: 128

約数和(自身を含む): 44375654400

約数和(自身を除く): 25477734294

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 439, 494, 589, 741, 806, 878, 937, 1178, 1209, 1317, 1482, 1767, 1874, 2418, 2634, 2811, 3534, 5622, 5707, 7657, 8341, 11414, 12181, 13609, 15314, 16682, 17121, 17803, 22971, 24362, 25023, 27218, 29047, 34242, 35606, 36543, 40827, 45942, 50046, 53409, 58094, 73086, 81654, 87141, 106818, 108433, 174282, 176917, 216866, 231439, 258571, 325299, 353834, 377611, 411343, 462878, 517142, 530751, 551893, 650598, 694317, 755222, 775713, 822686, 1061502, 1103786, 1132833, 1234029, 1388634, 1551426, 1655679, 2265666, 2468058, 3311358, 3361423, 5347459, 6722846, 7174609, 7815517, 10084269, 10694918, 12751633, 14349218, 15631034, 16042377, 20168538, 21523827, 23446551, 25503266, 32084754, 38254899, 43047654, 46893102, 76509798, 101601721, 165771229, 203203442, 242281027, 304805163, 331542458, 484562054, 497313687, 609610326, 726843081, 994627374, 1453686162, 3149653351, 6299306702, 9448960053, 18897920106]

約数ペア:

[(1, 18897920106), (2, 9448960053), (3, 6299306702), (6, 3149653351), (13, 1453686162), (19, 994627374), (26, 726843081), (31, 609610326), (38, 497313687), (39, 484562054), (57, 331542458), (62, 304805163), (78, 242281027), (93, 203203442), (114, 165771229), (186, 101601721), (247, 76509798), (403, 46893102), (439, 43047654), (494, 38254899), (589, 32084754), (741, 25503266), (806, 23446551), (878, 21523827), (937, 20168538), (1178, 16042377), (1209, 15631034), (1317, 14349218), (1482, 12751633), (1767, 10694918), (1874, 10084269), (2418, 7815517), (2634, 7174609), (2811, 6722846), (3534, 5347459), (5622, 3361423), (5707, 3311358), (7657, 2468058), (8341, 2265666), (11414, 1655679), (12181, 1551426), (13609, 1388634), (15314, 1234029), (16682, 1132833), (17121, 1103786), (17803, 1061502), (22971, 822686), (24362, 775713), (25023, 755222), (27218, 694317), (29047, 650598), (34242, 551893), (35606, 530751), (36543, 517142), (40827, 462878), (45942, 411343), (50046, 377611), (53409, 353834), (58094, 325299), (73086, 258571), (81654, 231439), (87141, 216866), (106818, 176917), (108433, 174282)]