9869489998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{21613}}^1$

素因数の和:21892

約数の個数: 32

約数和(自身を含む): 15920007840

約数和(自身を除く): 6050517842

約数列:

[1, 2, 19, 38, 61, 122, 197, 394, 1159, 2318, 3743, 7486, 12017, 21613, 24034, 43226, 228323, 410647, 456646, 821294, 1318393, 2636786, 4257761, 8515522, 25049467, 50098934, 80897459, 161794918, 259723421, 519446842, 4934744999, 9869489998]

約数ペア:

[(1, 9869489998), (2, 4934744999), (19, 519446842), (38, 259723421), (61, 161794918), (122, 80897459), (197, 50098934), (394, 25049467), (1159, 8515522), (2318, 4257761), (3743, 2636786), (7486, 1318393), (12017, 821294), (21613, 456646), (24034, 410647), (43226, 228323)]