19099400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 47709000

約数和(自身を除く): 28609600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 37, 40, 50, 58, 74, 89, 100, 116, 145, 148, 178, 185, 200, 232, 290, 296, 356, 370, 445, 580, 712, 725, 740, 890, 925, 1073, 1160, 1450, 1480, 1780, 1850, 2146, 2225, 2581, 2900, 3293, 3560, 3700, 4292, 4450, 5162, 5365, 5800, 6586, 7400, 8584, 8900, 10324, 10730, 12905, 13172, 16465, 17800, 20648, 21460, 25810, 26344, 26825, 32930, 42920, 51620, 53650, 64525, 65860, 82325, 95497, 103240, 107300, 129050, 131720, 164650, 190994, 214600, 258100, 329300, 381988, 477485, 516200, 658600, 763976, 954970, 1909940, 2387425, 3819880, 4774850, 9549700, 19099400]

約数ペア:

[(1, 19099400), (2, 9549700), (4, 4774850), (5, 3819880), (8, 2387425), (10, 1909940), (20, 954970), (25, 763976), (29, 658600), (37, 516200), (40, 477485), (50, 381988), (58, 329300), (74, 258100), (89, 214600), (100, 190994), (116, 164650), (145, 131720), (148, 129050), (178, 107300), (185, 103240), (200, 95497), (232, 82325), (290, 65860), (296, 64525), (356, 53650), (370, 51620), (445, 42920), (580, 32930), (712, 26825), (725, 26344), (740, 25810), (890, 21460), (925, 20648), (1073, 17800), (1160, 16465), (1450, 13172), (1480, 12905), (1780, 10730), (1850, 10324), (2146, 8900), (2225, 8584), (2581, 7400), (2900, 6586), (3293, 5800), (3560, 5365), (3700, 5162), (4292, 4450)]