19896296

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 44897280

約数和(自身を除く): 25000984

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 73, 124, 146, 157, 217, 248, 292, 314, 434, 511, 584, 628, 868, 1022, 1099, 1256, 1736, 2044, 2198, 2263, 4088, 4396, 4526, 4867, 8792, 9052, 9734, 11461, 15841, 18104, 19468, 22922, 31682, 34069, 38936, 45844, 63364, 68138, 80227, 91688, 126728, 136276, 160454, 272552, 320908, 355291, 641816, 710582, 1421164, 2487037, 2842328, 4974074, 9948148, 19896296]

約数ペア:

[(1, 19896296), (2, 9948148), (4, 4974074), (7, 2842328), (8, 2487037), (14, 1421164), (28, 710582), (31, 641816), (56, 355291), (62, 320908), (73, 272552), (124, 160454), (146, 136276), (157, 126728), (217, 91688), (248, 80227), (292, 68138), (314, 63364), (434, 45844), (511, 38936), (584, 34069), (628, 31682), (868, 22922), (1022, 19468), (1099, 18104), (1256, 15841), (1736, 11461), (2044, 9734), (2198, 9052), (2263, 8792), (4088, 4867), (4396, 4526)]