18915732

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 53612832

約数和(自身を除く): 34697100

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1291, 1332, 1628, 2442, 2582, 3663, 3873, 4884, 5164, 7326, 7746, 11619, 14201, 14652, 15492, 23238, 28402, 42603, 46476, 47767, 56804, 85206, 95534, 127809, 143301, 170412, 191068, 255618, 286602, 429903, 511236, 525437, 573204, 859806, 1050874, 1576311, 1719612, 2101748, 3152622, 4728933, 6305244, 9457866, 18915732]

約数ペア:

[(1, 18915732), (2, 9457866), (3, 6305244), (4, 4728933), (6, 3152622), (9, 2101748), (11, 1719612), (12, 1576311), (18, 1050874), (22, 859806), (33, 573204), (36, 525437), (37, 511236), (44, 429903), (66, 286602), (74, 255618), (99, 191068), (111, 170412), (132, 143301), (148, 127809), (198, 95534), (222, 85206), (333, 56804), (396, 47767), (407, 46476), (444, 42603), (666, 28402), (814, 23238), (1221, 15492), (1291, 14652), (1332, 14201), (1628, 11619), (2442, 7746), (2582, 7326), (3663, 5164), (3873, 4884)]