18747684

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 49690368

約数和(自身を除く): 30942684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 157, 186, 214, 279, 314, 321, 372, 428, 471, 558, 628, 642, 942, 963, 1116, 1284, 1413, 1884, 1926, 2826, 3317, 3852, 4867, 5652, 6634, 9734, 9951, 13268, 14601, 16799, 19468, 19902, 29202, 29853, 33598, 39804, 43803, 50397, 58404, 59706, 67196, 87606, 100794, 119412, 151191, 175212, 201588, 302382, 520769, 604764, 1041538, 1562307, 2083076, 3124614, 4686921, 6249228, 9373842, 18747684]

約数ペア:

[(1, 18747684), (2, 9373842), (3, 6249228), (4, 4686921), (6, 3124614), (9, 2083076), (12, 1562307), (18, 1041538), (31, 604764), (36, 520769), (62, 302382), (93, 201588), (107, 175212), (124, 151191), (157, 119412), (186, 100794), (214, 87606), (279, 67196), (314, 59706), (321, 58404), (372, 50397), (428, 43803), (471, 39804), (558, 33598), (628, 29853), (642, 29202), (942, 19902), (963, 19468), (1116, 16799), (1284, 14601), (1413, 13268), (1884, 9951), (1926, 9734), (2826, 6634), (3317, 5652), (3852, 4867)]