18918108

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 108

約数和(自身を含む): 54318264

約数和(自身を除く): 35400156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 101, 121, 129, 132, 172, 198, 202, 242, 258, 303, 363, 387, 396, 404, 473, 484, 516, 606, 726, 774, 909, 946, 1089, 1111, 1212, 1419, 1452, 1548, 1818, 1892, 2178, 2222, 2838, 3333, 3636, 4257, 4343, 4356, 4444, 5203, 5676, 6666, 8514, 8686, 9999, 10406, 12221, 13029, 13332, 15609, 17028, 17372, 19998, 20812, 24442, 26058, 31218, 36663, 39087, 39996, 46827, 47773, 48884, 52116, 62436, 73326, 78174, 93654, 95546, 109989, 143319, 146652, 156348, 187308, 191092, 219978, 286638, 429957, 439956, 525503, 573276, 859914, 1051006, 1576509, 1719828, 2102012, 3153018, 4729527, 6306036, 9459054, 18918108]

約数ペア:

[(1, 18918108), (2, 9459054), (3, 6306036), (4, 4729527), (6, 3153018), (9, 2102012), (11, 1719828), (12, 1576509), (18, 1051006), (22, 859914), (33, 573276), (36, 525503), (43, 439956), (44, 429957), (66, 286638), (86, 219978), (99, 191092), (101, 187308), (121, 156348), (129, 146652), (132, 143319), (172, 109989), (198, 95546), (202, 93654), (242, 78174), (258, 73326), (303, 62436), (363, 52116), (387, 48884), (396, 47773), (404, 46827), (473, 39996), (484, 39087), (516, 36663), (606, 31218), (726, 26058), (774, 24442), (909, 20812), (946, 19998), (1089, 17372), (1111, 17028), (1212, 15609), (1419, 13332), (1452, 13029), (1548, 12221), (1818, 10406), (1892, 9999), (2178, 8686), (2222, 8514), (2838, 6666), (3333, 5676), (3636, 5203), (4257, 4444), (4343, 4356)]