19561190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2251}}^1$

素因数の和:2348

約数の個数: 32

約数和(自身を含む): 38914560

約数和(自身を除く): 19353370

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2251, 4345, 4502, 8690, 11255, 22510, 24761, 49522, 123805, 177829, 247610, 355658, 889145, 1778290, 1956119, 3912238, 9780595, 19561190]

約数ペア:

[(1, 19561190), (2, 9780595), (5, 3912238), (10, 1956119), (11, 1778290), (22, 889145), (55, 355658), (79, 247610), (110, 177829), (158, 123805), (395, 49522), (790, 24761), (869, 22510), (1738, 11255), (2251, 8690), (4345, 4502)]