19105203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 30723840

約数和(自身を除く): 11618637

約数列:

[1, 3, 13, 19, 23, 39, 57, 59, 69, 177, 247, 299, 361, 437, 741, 767, 897, 1083, 1121, 1311, 1357, 2301, 3363, 4071, 4693, 5681, 8303, 14079, 14573, 17043, 17641, 21299, 24909, 25783, 43719, 52923, 63897, 77349, 107939, 276887, 323817, 335179, 489877, 830661, 1005537, 1469631, 6368401, 19105203]

約数ペア:

[(1, 19105203), (3, 6368401), (13, 1469631), (19, 1005537), (23, 830661), (39, 489877), (57, 335179), (59, 323817), (69, 276887), (177, 107939), (247, 77349), (299, 63897), (361, 52923), (437, 43719), (741, 25783), (767, 24909), (897, 21299), (1083, 17641), (1121, 17043), (1311, 14573), (1357, 14079), (2301, 8303), (3363, 5681), (4071, 4693)]