19716582321

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{65179}}^1$

素因数の和:65294

約数の個数: 48

約数和(自身を含む): 31521048000

約数和(自身を除く): 11804465679

約数列:

[1, 3, 9, 19, 29, 57, 61, 87, 171, 183, 261, 549, 551, 1159, 1653, 1769, 3477, 4959, 5307, 10431, 15921, 33611, 65179, 100833, 195537, 302499, 586611, 1238401, 1890191, 3715203, 3975919, 5670573, 11145609, 11927757, 17011719, 35783271, 35913629, 75542461, 107740887, 115301651, 226627383, 323222661, 345904953, 679882149, 1037714859, 2190731369, 6572194107, 19716582321]

約数ペア:

[(1, 19716582321), (3, 6572194107), (9, 2190731369), (19, 1037714859), (29, 679882149), (57, 345904953), (61, 323222661), (87, 226627383), (171, 115301651), (183, 107740887), (261, 75542461), (549, 35913629), (551, 35783271), (1159, 17011719), (1653, 11927757), (1769, 11145609), (3477, 5670573), (4959, 3975919), (5307, 3715203), (10431, 1890191), (15921, 1238401), (33611, 586611), (65179, 302499), (100833, 195537)]