18185958

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 120

約数和(自身を含む): 49658400

約数和(自身を除く): 31472442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 49, 54, 58, 63, 79, 81, 87, 98, 126, 147, 158, 162, 174, 189, 203, 237, 261, 294, 378, 406, 441, 474, 522, 553, 567, 609, 711, 783, 882, 1106, 1134, 1218, 1323, 1421, 1422, 1566, 1659, 1827, 2133, 2291, 2349, 2646, 2842, 3318, 3654, 3871, 3969, 4263, 4266, 4582, 4698, 4977, 5481, 6399, 6873, 7742, 7938, 8526, 9954, 10962, 11613, 12789, 12798, 13746, 14931, 16037, 16443, 20619, 23226, 25578, 29862, 32074, 32886, 34839, 38367, 41238, 44793, 48111, 61857, 69678, 76734, 89586, 96222, 104517, 112259, 115101, 123714, 144333, 185571, 209034, 224518, 230202, 288666, 313551, 336777, 371142, 432999, 627102, 673554, 865998, 1010331, 1298997, 2020662, 2597994, 3030993, 6061986, 9092979, 18185958]

約数ペア:

[(1, 18185958), (2, 9092979), (3, 6061986), (6, 3030993), (7, 2597994), (9, 2020662), (14, 1298997), (18, 1010331), (21, 865998), (27, 673554), (29, 627102), (42, 432999), (49, 371142), (54, 336777), (58, 313551), (63, 288666), (79, 230202), (81, 224518), (87, 209034), (98, 185571), (126, 144333), (147, 123714), (158, 115101), (162, 112259), (174, 104517), (189, 96222), (203, 89586), (237, 76734), (261, 69678), (294, 61857), (378, 48111), (406, 44793), (441, 41238), (474, 38367), (522, 34839), (553, 32886), (567, 32074), (609, 29862), (711, 25578), (783, 23226), (882, 20619), (1106, 16443), (1134, 16037), (1218, 14931), (1323, 13746), (1421, 12798), (1422, 12789), (1566, 11613), (1659, 10962), (1827, 9954), (2133, 8526), (2291, 7938), (2349, 7742), (2646, 6873), (2842, 6399), (3318, 5481), (3654, 4977), (3871, 4698), (3969, 4582), (4263, 4266)]