19611690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2051

約数の個数: 64

約数和(自身を含む): 54964224

約数和(自身を除く): 35352534

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 1987, 3290, 3974, 4935, 5961, 9870, 9935, 11922, 13909, 19870, 27818, 29805, 41727, 59610, 69545, 83454, 93389, 139090, 186778, 208635, 280167, 417270, 466945, 560334, 653723, 933890, 1307446, 1400835, 1961169, 2801670, 3268615, 3922338, 6537230, 9805845, 19611690]

約数ペア:

[(1, 19611690), (2, 9805845), (3, 6537230), (5, 3922338), (6, 3268615), (7, 2801670), (10, 1961169), (14, 1400835), (15, 1307446), (21, 933890), (30, 653723), (35, 560334), (42, 466945), (47, 417270), (70, 280167), (94, 208635), (105, 186778), (141, 139090), (210, 93389), (235, 83454), (282, 69545), (329, 59610), (470, 41727), (658, 29805), (705, 27818), (987, 19870), (1410, 13909), (1645, 11922), (1974, 9935), (1987, 9870), (3290, 5961), (3974, 4935)]