18460728

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 59546760

約数和(自身を除く): 41086032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 121, 132, 143, 156, 163, 198, 234, 242, 264, 286, 312, 326, 363, 396, 429, 468, 484, 489, 572, 652, 726, 792, 858, 936, 968, 978, 1089, 1144, 1287, 1304, 1452, 1467, 1573, 1716, 1793, 1956, 2119, 2178, 2574, 2904, 2934, 3146, 3432, 3586, 3912, 4238, 4356, 4719, 5148, 5379, 5868, 6292, 6357, 7172, 8476, 8712, 9438, 10296, 10758, 11736, 12584, 12714, 14157, 14344, 16137, 16952, 18876, 19071, 19723, 21516, 23309, 25428, 28314, 32274, 37752, 38142, 39446, 43032, 46618, 50856, 56628, 59169, 64548, 69927, 76284, 78892, 93236, 113256, 118338, 129096, 139854, 152568, 157784, 177507, 186472, 209781, 236676, 256399, 279708, 355014, 419562, 473352, 512798, 559416, 710028, 769197, 839124, 1025596, 1420056, 1538394, 1678248, 2051192, 2307591, 3076788, 4615182, 6153576, 9230364, 18460728]

約数ペア:

[(1, 18460728), (2, 9230364), (3, 6153576), (4, 4615182), (6, 3076788), (8, 2307591), (9, 2051192), (11, 1678248), (12, 1538394), (13, 1420056), (18, 1025596), (22, 839124), (24, 769197), (26, 710028), (33, 559416), (36, 512798), (39, 473352), (44, 419562), (52, 355014), (66, 279708), (72, 256399), (78, 236676), (88, 209781), (99, 186472), (104, 177507), (117, 157784), (121, 152568), (132, 139854), (143, 129096), (156, 118338), (163, 113256), (198, 93236), (234, 78892), (242, 76284), (264, 69927), (286, 64548), (312, 59169), (326, 56628), (363, 50856), (396, 46618), (429, 43032), (468, 39446), (484, 38142), (489, 37752), (572, 32274), (652, 28314), (726, 25428), (792, 23309), (858, 21516), (936, 19723), (968, 19071), (978, 18876), (1089, 16952), (1144, 16137), (1287, 14344), (1304, 14157), (1452, 12714), (1467, 12584), (1573, 11736), (1716, 10758), (1793, 10296), (1956, 9438), (2119, 8712), (2178, 8476), (2574, 7172), (2904, 6357), (2934, 6292), (3146, 5868), (3432, 5379), (3586, 5148), (3912, 4719), (4238, 4356)]