18888966730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{707717}}^1$

素因数の和:707898

約数の個数: 32

約数和(自身を含む): 36229499856

約数和(自身を除く): 17340533126

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 1570, 2669, 5338, 13345, 26690, 707717, 1415434, 3538585, 7077170, 12031189, 24062378, 60155945, 111111569, 120311890, 222223138, 555557845, 1111115690, 1888896673, 3777793346, 9444483365, 18888966730]

約数ペア:

[(1, 18888966730), (2, 9444483365), (5, 3777793346), (10, 1888896673), (17, 1111115690), (34, 555557845), (85, 222223138), (157, 120311890), (170, 111111569), (314, 60155945), (785, 24062378), (1570, 12031189), (2669, 7077170), (5338, 3538585), (13345, 1415434), (26690, 707717)]