18459756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 40246164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 31, 34, 36, 42, 51, 62, 63, 68, 84, 93, 102, 119, 124, 126, 139, 153, 186, 204, 217, 238, 252, 278, 279, 306, 357, 372, 417, 434, 476, 527, 556, 558, 612, 651, 714, 834, 868, 973, 1054, 1071, 1116, 1251, 1302, 1428, 1581, 1668, 1946, 1953, 2108, 2142, 2363, 2502, 2604, 2919, 3162, 3689, 3892, 3906, 4284, 4309, 4726, 4743, 5004, 5838, 6324, 7089, 7378, 7812, 8618, 8757, 9452, 9486, 11067, 11676, 12927, 14178, 14756, 16541, 17236, 17514, 18972, 21267, 22134, 25854, 28356, 30163, 33082, 33201, 35028, 38781, 42534, 44268, 49623, 51708, 60326, 66164, 66402, 73253, 77562, 85068, 90489, 99246, 120652, 132804, 146506, 148869, 155124, 180978, 198492, 219759, 271467, 293012, 297738, 361956, 439518, 512771, 542934, 595476, 659277, 879036, 1025542, 1085868, 1318554, 1538313, 2051084, 2637108, 3076626, 4614939, 6153252, 9229878, 18459756]

約数ペア:

[(1, 18459756), (2, 9229878), (3, 6153252), (4, 4614939), (6, 3076626), (7, 2637108), (9, 2051084), (12, 1538313), (14, 1318554), (17, 1085868), (18, 1025542), (21, 879036), (28, 659277), (31, 595476), (34, 542934), (36, 512771), (42, 439518), (51, 361956), (62, 297738), (63, 293012), (68, 271467), (84, 219759), (93, 198492), (102, 180978), (119, 155124), (124, 148869), (126, 146506), (139, 132804), (153, 120652), (186, 99246), (204, 90489), (217, 85068), (238, 77562), (252, 73253), (278, 66402), (279, 66164), (306, 60326), (357, 51708), (372, 49623), (417, 44268), (434, 42534), (476, 38781), (527, 35028), (556, 33201), (558, 33082), (612, 30163), (651, 28356), (714, 25854), (834, 22134), (868, 21267), (973, 18972), (1054, 17514), (1071, 17236), (1116, 16541), (1251, 14756), (1302, 14178), (1428, 12927), (1581, 11676), (1668, 11067), (1946, 9486), (1953, 9452), (2108, 8757), (2142, 8618), (2363, 7812), (2502, 7378), (2604, 7089), (2919, 6324), (3162, 5838), (3689, 5004), (3892, 4743), (3906, 4726), (4284, 4309)]