18190935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 39536640

約数和(自身を除く): 21345705

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 43, 45, 51, 63, 79, 85, 105, 119, 129, 153, 215, 237, 255, 301, 315, 357, 387, 395, 553, 595, 645, 711, 731, 765, 903, 1071, 1185, 1343, 1505, 1659, 1785, 1935, 2193, 2709, 2765, 3397, 3555, 3655, 4029, 4515, 4977, 5117, 5355, 6579, 6715, 8295, 9401, 10191, 10965, 12087, 13545, 15351, 16985, 20145, 23779, 24885, 25585, 28203, 30573, 32895, 46053, 47005, 50955, 57749, 60435, 71337, 76755, 84609, 118895, 141015, 152865, 173247, 214011, 230265, 288745, 356685, 404243, 423045, 519741, 866235, 1070055, 1212729, 2021215, 2598705, 3638187, 6063645, 18190935]

約数ペア:

[(1, 18190935), (3, 6063645), (5, 3638187), (7, 2598705), (9, 2021215), (15, 1212729), (17, 1070055), (21, 866235), (35, 519741), (43, 423045), (45, 404243), (51, 356685), (63, 288745), (79, 230265), (85, 214011), (105, 173247), (119, 152865), (129, 141015), (153, 118895), (215, 84609), (237, 76755), (255, 71337), (301, 60435), (315, 57749), (357, 50955), (387, 47005), (395, 46053), (553, 32895), (595, 30573), (645, 28203), (711, 25585), (731, 24885), (765, 23779), (903, 20145), (1071, 16985), (1185, 15351), (1343, 13545), (1505, 12087), (1659, 10965), (1785, 10191), (1935, 9401), (2193, 8295), (2709, 6715), (2765, 6579), (3397, 5355), (3555, 5117), (3655, 4977), (4029, 4515)]