15821936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 35518560

約数和(自身を除く): 19696624

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 43, 52, 58, 61, 86, 104, 116, 122, 172, 208, 232, 244, 344, 377, 464, 488, 559, 688, 754, 793, 976, 1118, 1247, 1508, 1586, 1769, 2236, 2494, 2623, 3016, 3172, 3538, 4472, 4988, 5246, 6032, 6344, 7076, 8944, 9976, 10492, 12688, 14152, 16211, 19952, 20984, 22997, 28304, 32422, 34099, 41968, 45994, 64844, 68198, 76067, 91988, 129688, 136396, 152134, 183976, 259376, 272792, 304268, 367952, 545584, 608536, 988871, 1217072, 1977742, 3955484, 7910968, 15821936]

約数ペア:

[(1, 15821936), (2, 7910968), (4, 3955484), (8, 1977742), (13, 1217072), (16, 988871), (26, 608536), (29, 545584), (43, 367952), (52, 304268), (58, 272792), (61, 259376), (86, 183976), (104, 152134), (116, 136396), (122, 129688), (172, 91988), (208, 76067), (232, 68198), (244, 64844), (344, 45994), (377, 41968), (464, 34099), (488, 32422), (559, 28304), (688, 22997), (754, 20984), (793, 19952), (976, 16211), (1118, 14152), (1247, 12688), (1508, 10492), (1586, 9976), (1769, 8944), (2236, 7076), (2494, 6344), (2623, 6032), (3016, 5246), (3172, 4988), (3538, 4472)]