18372250840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1867}}^1$

素因数の和:2085

約数の個数: 128

約数和(自身を含む): 43569979200

約数和(自身を除く): 25197728360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 109, 122, 148, 185, 218, 244, 296, 305, 370, 436, 488, 545, 610, 740, 872, 1090, 1220, 1480, 1867, 2180, 2257, 2440, 3734, 4033, 4360, 4514, 6649, 7468, 8066, 9028, 9335, 11285, 13298, 14936, 16132, 18056, 18670, 20165, 22570, 26596, 32264, 33245, 37340, 40330, 45140, 53192, 66490, 69079, 74680, 80660, 90280, 113887, 132980, 138158, 161320, 203503, 227774, 246013, 265960, 276316, 345395, 407006, 455548, 492026, 552632, 569435, 690790, 814012, 911096, 984052, 1017515, 1138870, 1230065, 1381580, 1628024, 1968104, 2035030, 2277740, 2460130, 2763160, 4070060, 4213819, 4555480, 4920260, 7529611, 8140120, 8427638, 9840520, 12413683, 15059222, 16855276, 21069095, 24827366, 30118444, 33710552, 37648055, 42138190, 49654732, 60236888, 62068415, 75296110, 84276380, 99309464, 124136830, 150592220, 168552760, 248273660, 301184440, 459306271, 496547320, 918612542, 1837225084, 2296531355, 3674450168, 4593062710, 9186125420, 18372250840]

約数ペア:

[(1, 18372250840), (2, 9186125420), (4, 4593062710), (5, 3674450168), (8, 2296531355), (10, 1837225084), (20, 918612542), (37, 496547320), (40, 459306271), (61, 301184440), (74, 248273660), (109, 168552760), (122, 150592220), (148, 124136830), (185, 99309464), (218, 84276380), (244, 75296110), (296, 62068415), (305, 60236888), (370, 49654732), (436, 42138190), (488, 37648055), (545, 33710552), (610, 30118444), (740, 24827366), (872, 21069095), (1090, 16855276), (1220, 15059222), (1480, 12413683), (1867, 9840520), (2180, 8427638), (2257, 8140120), (2440, 7529611), (3734, 4920260), (4033, 4555480), (4360, 4213819), (4514, 4070060), (6649, 2763160), (7468, 2460130), (8066, 2277740), (9028, 2035030), (9335, 1968104), (11285, 1628024), (13298, 1381580), (14936, 1230065), (16132, 1138870), (18056, 1017515), (18670, 984052), (20165, 911096), (22570, 814012), (26596, 690790), (32264, 569435), (33245, 552632), (37340, 492026), (40330, 455548), (45140, 407006), (53192, 345395), (66490, 276316), (69079, 265960), (74680, 246013), (80660, 227774), (90280, 203503), (113887, 161320), (132980, 138158)]