19752080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6673}}^1$

素因数の和:6723

約数の個数: 40

約数和(自身を含む): 47171832

約数和(自身を除く): 27419752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6673, 13346, 26692, 33365, 53384, 66730, 106768, 133460, 246901, 266920, 493802, 533840, 987604, 1234505, 1975208, 2469010, 3950416, 4938020, 9876040, 19752080]

約数ペア:

[(1, 19752080), (2, 9876040), (4, 4938020), (5, 3950416), (8, 2469010), (10, 1975208), (16, 1234505), (20, 987604), (37, 533840), (40, 493802), (74, 266920), (80, 246901), (148, 133460), (185, 106768), (296, 66730), (370, 53384), (592, 33365), (740, 26692), (1480, 13346), (2960, 6673)]