18954804

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3881}}^1$

素因数の和:3936

約数の個数: 48

約数和(自身を含む): 49565376

約数和(自身を除く): 30610572

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 3881, 4884, 7762, 11643, 15524, 23286, 42691, 46572, 85382, 128073, 143597, 170764, 256146, 287194, 430791, 512292, 574388, 861582, 1579567, 1723164, 3159134, 4738701, 6318268, 9477402, 18954804]

約数ペア:

[(1, 18954804), (2, 9477402), (3, 6318268), (4, 4738701), (6, 3159134), (11, 1723164), (12, 1579567), (22, 861582), (33, 574388), (37, 512292), (44, 430791), (66, 287194), (74, 256146), (111, 170764), (132, 143597), (148, 128073), (222, 85382), (407, 46572), (444, 42691), (814, 23286), (1221, 15524), (1628, 11643), (2442, 7762), (3881, 4884)]