19866708

素因数分解:

$2^2\times 3^8\times {\mathrm{757}}^1$

素因数の和:785

約数の個数: 54

約数和(自身を含む): 52216346

約数和(自身を除く): 32349638

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 757, 972, 1458, 1514, 2187, 2271, 2916, 3028, 4374, 4542, 6561, 6813, 8748, 9084, 13122, 13626, 20439, 26244, 27252, 40878, 61317, 81756, 122634, 183951, 245268, 367902, 551853, 735804, 1103706, 1655559, 2207412, 3311118, 4966677, 6622236, 9933354, 19866708]

約数ペア:

[(1, 19866708), (2, 9933354), (3, 6622236), (4, 4966677), (6, 3311118), (9, 2207412), (12, 1655559), (18, 1103706), (27, 735804), (36, 551853), (54, 367902), (81, 245268), (108, 183951), (162, 122634), (243, 81756), (324, 61317), (486, 40878), (729, 27252), (757, 26244), (972, 20439), (1458, 13626), (1514, 13122), (2187, 9084), (2271, 8748), (2916, 6813), (3028, 6561), (4374, 4542)]