18654808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 20743592

約数列:

[1, 2, 4, 8, 19, 31, 37, 38, 62, 74, 76, 107, 124, 148, 152, 214, 248, 296, 428, 589, 703, 856, 1147, 1178, 1406, 2033, 2294, 2356, 2812, 3317, 3959, 4066, 4588, 4712, 5624, 6634, 7918, 8132, 9176, 13268, 15836, 16264, 21793, 26536, 31672, 43586, 63023, 75221, 87172, 122729, 126046, 150442, 174344, 245458, 252092, 300884, 490916, 504184, 601768, 981832, 2331851, 4663702, 9327404, 18654808]

約数ペア:

[(1, 18654808), (2, 9327404), (4, 4663702), (8, 2331851), (19, 981832), (31, 601768), (37, 504184), (38, 490916), (62, 300884), (74, 252092), (76, 245458), (107, 174344), (124, 150442), (148, 126046), (152, 122729), (214, 87172), (248, 75221), (296, 63023), (428, 43586), (589, 31672), (703, 26536), (856, 21793), (1147, 16264), (1178, 15836), (1406, 13268), (2033, 9176), (2294, 8132), (2356, 7918), (2812, 6634), (3317, 5624), (3959, 4712), (4066, 4588)]