19909422

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28474578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 79, 117, 158, 234, 237, 351, 359, 474, 702, 711, 718, 1027, 1077, 1422, 2054, 2133, 2154, 3081, 3231, 4266, 4667, 6162, 6462, 9243, 9334, 9693, 14001, 18486, 19386, 27729, 28002, 28361, 42003, 55458, 56722, 84006, 85083, 126009, 170166, 252018, 255249, 368693, 510498, 737386, 765747, 1106079, 1531494, 2212158, 3318237, 6636474, 9954711, 19909422]

約数ペア:

[(1, 19909422), (2, 9954711), (3, 6636474), (6, 3318237), (9, 2212158), (13, 1531494), (18, 1106079), (26, 765747), (27, 737386), (39, 510498), (54, 368693), (78, 255249), (79, 252018), (117, 170166), (158, 126009), (234, 85083), (237, 84006), (351, 56722), (359, 55458), (474, 42003), (702, 28361), (711, 28002), (718, 27729), (1027, 19386), (1077, 18486), (1422, 14001), (2054, 9693), (2133, 9334), (2154, 9243), (3081, 6462), (3231, 6162), (4266, 4667)]