19827928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 38747520

約数和(自身を除く): 18919592

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 991, 1982, 2501, 3964, 5002, 7928, 10004, 20008, 40631, 60451, 81262, 120902, 162524, 241804, 325048, 483608, 2478491, 4956982, 9913964, 19827928]

約数ペア:

[(1, 19827928), (2, 9913964), (4, 4956982), (8, 2478491), (41, 483608), (61, 325048), (82, 241804), (122, 162524), (164, 120902), (244, 81262), (328, 60451), (488, 40631), (991, 20008), (1982, 10004), (2501, 7928), (3964, 5002)]