19540130

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 36211968

約数和(自身を除く): 16671838

約数列:

[1, 2, 5, 10, 61, 103, 122, 206, 305, 311, 515, 610, 622, 1030, 1555, 3110, 6283, 12566, 18971, 31415, 32033, 37942, 62830, 64066, 94855, 160165, 189710, 320330, 1954013, 3908026, 9770065, 19540130]

約数ペア:

[(1, 19540130), (2, 9770065), (5, 3908026), (10, 1954013), (61, 320330), (103, 189710), (122, 160165), (206, 94855), (305, 64066), (311, 62830), (515, 37942), (610, 32033), (622, 31415), (1030, 18971), (1555, 12566), (3110, 6283)]