18834080

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 45355464

約数和(自身を除く): 26521384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 2221, 4240, 4442, 8480, 8884, 11105, 17768, 22210, 35536, 44420, 71072, 88840, 117713, 177680, 235426, 355360, 470852, 588565, 941704, 1177130, 1883408, 2354260, 3766816, 4708520, 9417040, 18834080]

約数ペア:

[(1, 18834080), (2, 9417040), (4, 4708520), (5, 3766816), (8, 2354260), (10, 1883408), (16, 1177130), (20, 941704), (32, 588565), (40, 470852), (53, 355360), (80, 235426), (106, 177680), (160, 117713), (212, 88840), (265, 71072), (424, 44420), (530, 35536), (848, 22210), (1060, 17768), (1696, 11105), (2120, 8884), (2221, 8480), (4240, 4442)]