18201854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 31190400

約数和(自身を除く): 12988546

約数列:

[1, 2, 11, 22, 37, 59, 74, 118, 379, 407, 649, 758, 814, 1298, 2183, 4169, 4366, 8338, 14023, 22361, 24013, 28046, 44722, 48026, 154253, 245971, 308506, 491942, 827357, 1654714, 9100927, 18201854]

約数ペア:

[(1, 18201854), (2, 9100927), (11, 1654714), (22, 827357), (37, 491942), (59, 308506), (74, 245971), (118, 154253), (379, 48026), (407, 44722), (649, 28046), (758, 24013), (814, 22361), (1298, 14023), (2183, 8338), (4169, 4366)]