19155952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1121

約数の個数: 40

約数和(自身を含む): 39746960

約数和(自身を除く): 20591008

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1033, 1159, 2066, 2318, 4132, 4636, 8264, 9272, 16528, 18544, 19627, 39254, 63013, 78508, 126026, 157016, 252052, 314032, 504104, 1008208, 1197247, 2394494, 4788988, 9577976, 19155952]

約数ペア:

[(1, 19155952), (2, 9577976), (4, 4788988), (8, 2394494), (16, 1197247), (19, 1008208), (38, 504104), (61, 314032), (76, 252052), (122, 157016), (152, 126026), (244, 78508), (304, 63013), (488, 39254), (976, 19627), (1033, 18544), (1159, 16528), (2066, 9272), (2318, 8264), (4132, 4636)]