19245664

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 20913056

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 316, 331, 368, 632, 662, 736, 1264, 1324, 1817, 2528, 2648, 3634, 5296, 7268, 7613, 10592, 14536, 15226, 26149, 29072, 30452, 52298, 58144, 60904, 104596, 121808, 209192, 243616, 418384, 601427, 836768, 1202854, 2405708, 4811416, 9622832, 19245664]

約数ペア:

[(1, 19245664), (2, 9622832), (4, 4811416), (8, 2405708), (16, 1202854), (23, 836768), (32, 601427), (46, 418384), (79, 243616), (92, 209192), (158, 121808), (184, 104596), (316, 60904), (331, 58144), (368, 52298), (632, 30452), (662, 29072), (736, 26149), (1264, 15226), (1324, 14536), (1817, 10592), (2528, 7613), (2648, 7268), (3634, 5296)]