18891912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 51327360

約数和(自身を除く): 32435448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 151, 156, 302, 312, 401, 453, 604, 802, 906, 1203, 1208, 1604, 1812, 1963, 2406, 3208, 3624, 3926, 4812, 5213, 5889, 7852, 9624, 10426, 11778, 15639, 15704, 20852, 23556, 31278, 41704, 47112, 60551, 62556, 121102, 125112, 181653, 242204, 363306, 484408, 726612, 787163, 1453224, 1574326, 2361489, 3148652, 4722978, 6297304, 9445956, 18891912]

約数ペア:

[(1, 18891912), (2, 9445956), (3, 6297304), (4, 4722978), (6, 3148652), (8, 2361489), (12, 1574326), (13, 1453224), (24, 787163), (26, 726612), (39, 484408), (52, 363306), (78, 242204), (104, 181653), (151, 125112), (156, 121102), (302, 62556), (312, 60551), (401, 47112), (453, 41704), (604, 31278), (802, 23556), (906, 20852), (1203, 15704), (1208, 15639), (1604, 11778), (1812, 10426), (1963, 9624), (2406, 7852), (3208, 5889), (3624, 5213), (3926, 4812)]