19431216

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 120

約数和(自身を含む): 63951264

約数和(自身を除く): 44520048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 72, 74, 84, 111, 112, 126, 144, 148, 168, 222, 252, 259, 296, 333, 336, 444, 504, 518, 521, 592, 666, 777, 888, 1008, 1036, 1042, 1332, 1554, 1563, 1776, 2072, 2084, 2331, 2664, 3108, 3126, 3647, 4144, 4168, 4662, 4689, 5328, 6216, 6252, 7294, 8336, 9324, 9378, 10941, 12432, 12504, 14588, 18648, 18756, 19277, 21882, 25008, 29176, 32823, 37296, 37512, 38554, 43764, 57831, 58352, 65646, 75024, 77108, 87528, 115662, 131292, 134939, 154216, 173493, 175056, 231324, 262584, 269878, 308432, 346986, 404817, 462648, 525168, 539756, 693972, 809634, 925296, 1079512, 1214451, 1387944, 1619268, 2159024, 2428902, 2775888, 3238536, 4857804, 6477072, 9715608, 19431216]

約数ペア:

[(1, 19431216), (2, 9715608), (3, 6477072), (4, 4857804), (6, 3238536), (7, 2775888), (8, 2428902), (9, 2159024), (12, 1619268), (14, 1387944), (16, 1214451), (18, 1079512), (21, 925296), (24, 809634), (28, 693972), (36, 539756), (37, 525168), (42, 462648), (48, 404817), (56, 346986), (63, 308432), (72, 269878), (74, 262584), (84, 231324), (111, 175056), (112, 173493), (126, 154216), (144, 134939), (148, 131292), (168, 115662), (222, 87528), (252, 77108), (259, 75024), (296, 65646), (333, 58352), (336, 57831), (444, 43764), (504, 38554), (518, 37512), (521, 37296), (592, 32823), (666, 29176), (777, 25008), (888, 21882), (1008, 19277), (1036, 18756), (1042, 18648), (1332, 14588), (1554, 12504), (1563, 12432), (1776, 10941), (2072, 9378), (2084, 9324), (2331, 8336), (2664, 7294), (3108, 6252), (3126, 6216), (3647, 5328), (4144, 4689), (4168, 4662)]