16918265

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 26627328

約数和(自身を除く): 9709063

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 103, 133, 247, 361, 455, 515, 665, 721, 1235, 1339, 1729, 1805, 1957, 2527, 3605, 4693, 6695, 8645, 9373, 9785, 12635, 13699, 23465, 25441, 32851, 37183, 46865, 68495, 127205, 164255, 178087, 185915, 260281, 483379, 890435, 1301405, 2416895, 3383653, 16918265]

約数ペア:

[(1, 16918265), (5, 3383653), (7, 2416895), (13, 1301405), (19, 890435), (35, 483379), (65, 260281), (91, 185915), (95, 178087), (103, 164255), (133, 127205), (247, 68495), (361, 46865), (455, 37183), (515, 32851), (665, 25441), (721, 23465), (1235, 13699), (1339, 12635), (1729, 9785), (1805, 9373), (1957, 8645), (2527, 6695), (3605, 4693)]