19484956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 38223360

約数和(自身を除く): 18738404

約数列:

[1, 2, 4, 19, 23, 38, 46, 71, 76, 92, 142, 157, 284, 314, 437, 628, 874, 1349, 1633, 1748, 2698, 2983, 3266, 3611, 5396, 5966, 6532, 7222, 11147, 11932, 14444, 22294, 31027, 44588, 62054, 68609, 124108, 137218, 211793, 256381, 274436, 423586, 512762, 847172, 1025524, 4871239, 9742478, 19484956]

約数ペア:

[(1, 19484956), (2, 9742478), (4, 4871239), (19, 1025524), (23, 847172), (38, 512762), (46, 423586), (71, 274436), (76, 256381), (92, 211793), (142, 137218), (157, 124108), (284, 68609), (314, 62054), (437, 44588), (628, 31027), (874, 22294), (1349, 14444), (1633, 11932), (1748, 11147), (2698, 7222), (2983, 6532), (3266, 5966), (3611, 5396)]