18899706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 26719494

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 59, 87, 118, 174, 177, 203, 263, 354, 406, 413, 526, 609, 789, 826, 1218, 1239, 1578, 1711, 1841, 2478, 3422, 3682, 5133, 5523, 7627, 10266, 11046, 11977, 15254, 15517, 22881, 23954, 31034, 35931, 45762, 46551, 53389, 71862, 93102, 106778, 108619, 160167, 217238, 320334, 325857, 449993, 651714, 899986, 1349979, 2699958, 3149951, 6299902, 9449853, 18899706]

約数ペア:

[(1, 18899706), (2, 9449853), (3, 6299902), (6, 3149951), (7, 2699958), (14, 1349979), (21, 899986), (29, 651714), (42, 449993), (58, 325857), (59, 320334), (87, 217238), (118, 160167), (174, 108619), (177, 106778), (203, 93102), (263, 71862), (354, 53389), (406, 46551), (413, 45762), (526, 35931), (609, 31034), (789, 23954), (826, 22881), (1218, 15517), (1239, 15254), (1578, 11977), (1711, 11046), (1841, 10266), (2478, 7627), (3422, 5523), (3682, 5133)]