18506988

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 52416000

約数和(自身を除く): 33909012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 54, 57, 58, 76, 87, 108, 114, 116, 171, 174, 228, 261, 311, 342, 348, 513, 522, 551, 622, 684, 783, 933, 1026, 1044, 1102, 1244, 1566, 1653, 1866, 2052, 2204, 2799, 3132, 3306, 3732, 4959, 5598, 5909, 6612, 8397, 9019, 9918, 11196, 11818, 14877, 16794, 17727, 18038, 19836, 23636, 27057, 29754, 33588, 35454, 36076, 53181, 54114, 59508, 70908, 81171, 106362, 108228, 159543, 162342, 171361, 212724, 243513, 319086, 324684, 342722, 487026, 514083, 638172, 685444, 974052, 1028166, 1542249, 2056332, 3084498, 4626747, 6168996, 9253494, 18506988]

約数ペア:

[(1, 18506988), (2, 9253494), (3, 6168996), (4, 4626747), (6, 3084498), (9, 2056332), (12, 1542249), (18, 1028166), (19, 974052), (27, 685444), (29, 638172), (36, 514083), (38, 487026), (54, 342722), (57, 324684), (58, 319086), (76, 243513), (87, 212724), (108, 171361), (114, 162342), (116, 159543), (171, 108228), (174, 106362), (228, 81171), (261, 70908), (311, 59508), (342, 54114), (348, 53181), (513, 36076), (522, 35454), (551, 33588), (622, 29754), (684, 27057), (783, 23636), (933, 19836), (1026, 18038), (1044, 17727), (1102, 16794), (1244, 14877), (1566, 11818), (1653, 11196), (1866, 9918), (2052, 9019), (2204, 8397), (2799, 6612), (3132, 5909), (3306, 5598), (3732, 4959)]