19541830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 25455290

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 55, 70, 77, 82, 110, 154, 205, 287, 385, 410, 451, 574, 619, 770, 902, 1238, 1435, 2255, 2870, 3095, 3157, 4333, 4510, 6190, 6314, 6809, 8666, 13618, 15785, 21665, 25379, 31570, 34045, 43330, 47663, 50758, 68090, 95326, 126895, 177653, 238315, 253790, 279169, 355306, 476630, 558338, 888265, 1395845, 1776530, 1954183, 2791690, 3908366, 9770915, 19541830]

約数ペア:

[(1, 19541830), (2, 9770915), (5, 3908366), (7, 2791690), (10, 1954183), (11, 1776530), (14, 1395845), (22, 888265), (35, 558338), (41, 476630), (55, 355306), (70, 279169), (77, 253790), (82, 238315), (110, 177653), (154, 126895), (205, 95326), (287, 68090), (385, 50758), (410, 47663), (451, 43330), (574, 34045), (619, 31570), (770, 25379), (902, 21665), (1238, 15785), (1435, 13618), (2255, 8666), (2870, 6809), (3095, 6314), (3157, 6190), (4333, 4510)]