19533220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 48629952

約数和(自身を除く): 29096732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 83, 140, 164, 166, 205, 287, 332, 410, 415, 574, 581, 820, 830, 1148, 1162, 1435, 1660, 1681, 2324, 2870, 2905, 3362, 3403, 5740, 5810, 6724, 6806, 8405, 11620, 11767, 13612, 16810, 17015, 23534, 23821, 33620, 34030, 47068, 47642, 58835, 68060, 95284, 117670, 119105, 139523, 235340, 238210, 279046, 476420, 558092, 697615, 976661, 1395230, 1953322, 2790460, 3906644, 4883305, 9766610, 19533220]

約数ペア:

[(1, 19533220), (2, 9766610), (4, 4883305), (5, 3906644), (7, 2790460), (10, 1953322), (14, 1395230), (20, 976661), (28, 697615), (35, 558092), (41, 476420), (70, 279046), (82, 238210), (83, 235340), (140, 139523), (164, 119105), (166, 117670), (205, 95284), (287, 68060), (332, 58835), (410, 47642), (415, 47068), (574, 34030), (581, 33620), (820, 23821), (830, 23534), (1148, 17015), (1162, 16810), (1435, 13612), (1660, 11767), (1681, 11620), (2324, 8405), (2870, 6806), (2905, 6724), (3362, 5810), (3403, 5740)]