18446440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6883}}^1$

素因数の和:6961

約数の個数: 32

約数和(自身を含む): 42130080

約数和(自身を除く): 23683640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6883, 13766, 27532, 34415, 55064, 68830, 137660, 275320, 461161, 922322, 1844644, 2305805, 3689288, 4611610, 9223220, 18446440]

約数ペア:

[(1, 18446440), (2, 9223220), (4, 4611610), (5, 3689288), (8, 2305805), (10, 1844644), (20, 922322), (40, 461161), (67, 275320), (134, 137660), (268, 68830), (335, 55064), (536, 34415), (670, 27532), (1340, 13766), (2680, 6883)]