18785072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1101

約数の個数: 40

約数和(自身を含む): 38978160

約数和(自身を除く): 20193088

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1013, 1159, 2026, 2318, 4052, 4636, 8104, 9272, 16208, 18544, 19247, 38494, 61793, 76988, 123586, 153976, 247172, 307952, 494344, 988688, 1174067, 2348134, 4696268, 9392536, 18785072]

約数ペア:

[(1, 18785072), (2, 9392536), (4, 4696268), (8, 2348134), (16, 1174067), (19, 988688), (38, 494344), (61, 307952), (76, 247172), (122, 153976), (152, 123586), (244, 76988), (304, 61793), (488, 38494), (976, 19247), (1013, 18544), (1159, 16208), (2026, 9272), (2318, 8104), (4052, 4636)]