19654810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4603}}^1$

素因数の和:4678

約数の個数: 32

約数和(自身を含む): 41104512

約数和(自身を除く): 21449702

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4603, 9206, 23015, 32221, 46030, 64442, 161105, 280783, 322210, 561566, 1403915, 1965481, 2807830, 3930962, 9827405, 19654810]

約数ペア:

[(1, 19654810), (2, 9827405), (5, 3930962), (7, 2807830), (10, 1965481), (14, 1403915), (35, 561566), (61, 322210), (70, 280783), (122, 161105), (305, 64442), (427, 46030), (610, 32221), (854, 23015), (2135, 9206), (4270, 4603)]