18827938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 12016862

約数列:

[1, 2, 23, 41, 46, 67, 82, 134, 149, 298, 943, 1541, 1886, 2747, 3082, 3427, 5494, 6109, 6854, 9983, 12218, 19966, 63181, 126362, 140507, 229609, 281014, 409303, 459218, 818606, 9413969, 18827938]

約数ペア:

[(1, 18827938), (2, 9413969), (23, 818606), (41, 459218), (46, 409303), (67, 281014), (82, 229609), (134, 140507), (149, 126362), (298, 63181), (943, 19966), (1541, 12218), (1886, 9983), (2747, 6854), (3082, 6109), (3427, 5494)]