18398457

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 15147783

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 139, 191, 231, 417, 573, 693, 973, 1251, 1337, 1529, 1719, 2101, 2919, 4011, 4587, 6303, 8757, 10703, 12033, 13761, 14707, 18909, 26549, 32109, 44121, 79647, 96327, 132363, 185843, 238941, 292039, 557529, 876117, 1672587, 2044273, 2628351, 6132819, 18398457]

約数ペア:

[(1, 18398457), (3, 6132819), (7, 2628351), (9, 2044273), (11, 1672587), (21, 876117), (33, 557529), (63, 292039), (77, 238941), (99, 185843), (139, 132363), (191, 96327), (231, 79647), (417, 44121), (573, 32109), (693, 26549), (973, 18909), (1251, 14707), (1337, 13761), (1529, 12033), (1719, 10703), (2101, 8757), (2919, 6303), (4011, 4587)]