18494315

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 28317600

約数和(自身を除く): 9823285

約数列:

[1, 5, 7, 19, 29, 35, 49, 95, 133, 137, 145, 203, 245, 551, 665, 685, 931, 959, 1015, 1421, 2603, 2755, 3857, 3973, 4655, 4795, 6713, 7105, 13015, 18221, 19285, 19865, 26999, 27811, 33565, 75487, 91105, 127547, 134995, 139055, 194677, 377435, 528409, 637735, 973385, 2642045, 3698863, 18494315]

約数ペア:

[(1, 18494315), (5, 3698863), (7, 2642045), (19, 973385), (29, 637735), (35, 528409), (49, 377435), (95, 194677), (133, 139055), (137, 134995), (145, 127547), (203, 91105), (245, 75487), (551, 33565), (665, 27811), (685, 26999), (931, 19865), (959, 19285), (1015, 18221), (1421, 13015), (2603, 7105), (2755, 6713), (3857, 4795), (3973, 4655)]