19682870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 36935136

約数和(自身を除く): 17252266

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 205, 305, 410, 610, 787, 1574, 2501, 3935, 5002, 7870, 12505, 25010, 32267, 48007, 64534, 96014, 161335, 240035, 322670, 480070, 1968287, 3936574, 9841435, 19682870]

約数ペア:

[(1, 19682870), (2, 9841435), (5, 3936574), (10, 1968287), (41, 480070), (61, 322670), (82, 240035), (122, 161335), (205, 96014), (305, 64534), (410, 48007), (610, 32267), (787, 25010), (1574, 12505), (2501, 7870), (3935, 5002)]