18287324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 18484516

約数列:

[1, 2, 4, 11, 22, 37, 44, 47, 74, 94, 148, 188, 239, 407, 478, 517, 814, 956, 1034, 1628, 1739, 2068, 2629, 3478, 5258, 6956, 8843, 10516, 11233, 17686, 19129, 22466, 35372, 38258, 44932, 76516, 97273, 123563, 194546, 247126, 389092, 415621, 494252, 831242, 1662484, 4571831, 9143662, 18287324]

約数ペア:

[(1, 18287324), (2, 9143662), (4, 4571831), (11, 1662484), (22, 831242), (37, 494252), (44, 415621), (47, 389092), (74, 247126), (94, 194546), (148, 123563), (188, 97273), (239, 76516), (407, 44932), (478, 38258), (517, 35372), (814, 22466), (956, 19129), (1034, 17686), (1628, 11233), (1739, 10516), (2068, 8843), (2629, 6956), (3478, 5258)]