18194020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 45158400

約数和(自身を除く): 26964380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 127, 130, 145, 190, 247, 254, 260, 290, 377, 380, 494, 508, 551, 580, 635, 754, 988, 1102, 1235, 1270, 1508, 1651, 1885, 2204, 2413, 2470, 2540, 2755, 3302, 3683, 3770, 4826, 4940, 5510, 6604, 7163, 7366, 7540, 8255, 9652, 11020, 12065, 14326, 14732, 16510, 18415, 24130, 28652, 31369, 33020, 35815, 36830, 47879, 48260, 62738, 69977, 71630, 73660, 95758, 125476, 139954, 143260, 156845, 191516, 239395, 279908, 313690, 349885, 478790, 627380, 699770, 909701, 957580, 1399540, 1819402, 3638804, 4548505, 9097010, 18194020]

約数ペア:

[(1, 18194020), (2, 9097010), (4, 4548505), (5, 3638804), (10, 1819402), (13, 1399540), (19, 957580), (20, 909701), (26, 699770), (29, 627380), (38, 478790), (52, 349885), (58, 313690), (65, 279908), (76, 239395), (95, 191516), (116, 156845), (127, 143260), (130, 139954), (145, 125476), (190, 95758), (247, 73660), (254, 71630), (260, 69977), (290, 62738), (377, 48260), (380, 47879), (494, 36830), (508, 35815), (551, 33020), (580, 31369), (635, 28652), (754, 24130), (988, 18415), (1102, 16510), (1235, 14732), (1270, 14326), (1508, 12065), (1651, 11020), (1885, 9652), (2204, 8255), (2413, 7540), (2470, 7366), (2540, 7163), (2755, 6604), (3302, 5510), (3683, 4940), (3770, 4826)]