19667864

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 38435040

約数和(自身を除く): 18767176

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 983, 1966, 2501, 3932, 5002, 7864, 10004, 20008, 40303, 59963, 80606, 119926, 161212, 239852, 322424, 479704, 2458483, 4916966, 9833932, 19667864]

約数ペア:

[(1, 19667864), (2, 9833932), (4, 4916966), (8, 2458483), (41, 479704), (61, 322424), (82, 239852), (122, 161212), (164, 119926), (244, 80606), (328, 59963), (488, 40303), (983, 20008), (1966, 10004), (2501, 7864), (3932, 5002)]