18123435

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 37739520

約数和(自身を除く): 19616085

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 41, 45, 47, 55, 57, 95, 99, 123, 141, 165, 171, 205, 209, 235, 285, 369, 423, 451, 495, 517, 615, 627, 705, 779, 855, 893, 1045, 1353, 1551, 1845, 1881, 1927, 2115, 2255, 2337, 2585, 2679, 3135, 3895, 4059, 4465, 4653, 5781, 6765, 7011, 7755, 8037, 8569, 9405, 9635, 9823, 11685, 13395, 17343, 20295, 21197, 23265, 25707, 28905, 29469, 35055, 36613, 40185, 42845, 49115, 63591, 77121, 86715, 88407, 105985, 109839, 128535, 147345, 183065, 190773, 317955, 329517, 385605, 402743, 442035, 549195, 953865, 1208229, 1647585, 2013715, 3624687, 6041145, 18123435]

約数ペア:

[(1, 18123435), (3, 6041145), (5, 3624687), (9, 2013715), (11, 1647585), (15, 1208229), (19, 953865), (33, 549195), (41, 442035), (45, 402743), (47, 385605), (55, 329517), (57, 317955), (95, 190773), (99, 183065), (123, 147345), (141, 128535), (165, 109839), (171, 105985), (205, 88407), (209, 86715), (235, 77121), (285, 63591), (369, 49115), (423, 42845), (451, 40185), (495, 36613), (517, 35055), (615, 29469), (627, 28905), (705, 25707), (779, 23265), (855, 21197), (893, 20295), (1045, 17343), (1353, 13395), (1551, 11685), (1845, 9823), (1881, 9635), (1927, 9405), (2115, 8569), (2255, 8037), (2337, 7755), (2585, 7011), (2679, 6765), (3135, 5781), (3895, 4653), (4059, 4465)]