19981762008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{10487}}^1$

素因数の和:10737

約数の個数: 128

約数和(自身を含む): 55819653120

約数和(自身を除く): 35837891112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 197, 248, 312, 372, 394, 403, 591, 744, 788, 806, 1182, 1209, 1576, 1612, 2364, 2418, 2561, 3224, 4728, 4836, 5122, 6107, 7683, 9672, 10244, 10487, 12214, 15366, 18321, 20488, 20974, 24428, 30732, 31461, 36642, 41948, 48856, 61464, 62922, 73284, 79391, 83896, 125844, 136331, 146568, 158782, 238173, 251688, 272662, 317564, 325097, 408993, 476346, 545324, 635128, 650194, 817986, 952692, 975291, 1090648, 1300388, 1635972, 1905384, 1950582, 2065939, 2600776, 3271944, 3901164, 4131878, 4226261, 6197817, 7802328, 8263756, 8452522, 12395634, 12678783, 16527512, 16905044, 24791268, 25357566, 26857207, 33810088, 49582536, 50715132, 53714414, 64044109, 80571621, 101430264, 107428828, 128088218, 161143242, 192132327, 214857656, 256176436, 322286484, 384264654, 512352872, 644572968, 768529308, 832573417, 1537058616, 1665146834, 2497720251, 3330293668, 4995440502, 6660587336, 9990881004, 19981762008]

約数ペア:

[(1, 19981762008), (2, 9990881004), (3, 6660587336), (4, 4995440502), (6, 3330293668), (8, 2497720251), (12, 1665146834), (13, 1537058616), (24, 832573417), (26, 768529308), (31, 644572968), (39, 512352872), (52, 384264654), (62, 322286484), (78, 256176436), (93, 214857656), (104, 192132327), (124, 161143242), (156, 128088218), (186, 107428828), (197, 101430264), (248, 80571621), (312, 64044109), (372, 53714414), (394, 50715132), (403, 49582536), (591, 33810088), (744, 26857207), (788, 25357566), (806, 24791268), (1182, 16905044), (1209, 16527512), (1576, 12678783), (1612, 12395634), (2364, 8452522), (2418, 8263756), (2561, 7802328), (3224, 6197817), (4728, 4226261), (4836, 4131878), (5122, 3901164), (6107, 3271944), (7683, 2600776), (9672, 2065939), (10244, 1950582), (10487, 1905384), (12214, 1635972), (15366, 1300388), (18321, 1090648), (20488, 975291), (20974, 952692), (24428, 817986), (30732, 650194), (31461, 635128), (36642, 545324), (41948, 476346), (48856, 408993), (61464, 325097), (62922, 317564), (73284, 272662), (79391, 251688), (83896, 238173), (125844, 158782), (136331, 146568)]