19206700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 44528400

約数和(自身を除く): 25321700

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 37, 50, 58, 74, 100, 116, 145, 148, 179, 185, 290, 358, 370, 580, 716, 725, 740, 895, 925, 1073, 1450, 1790, 1850, 2146, 2900, 3580, 3700, 4292, 4475, 5191, 5365, 6623, 8950, 10382, 10730, 13246, 17900, 20764, 21460, 25955, 26492, 26825, 33115, 51910, 53650, 66230, 103820, 107300, 129775, 132460, 165575, 192067, 259550, 331150, 384134, 519100, 662300, 768268, 960335, 1920670, 3841340, 4801675, 9603350, 19206700]

約数ペア:

[(1, 19206700), (2, 9603350), (4, 4801675), (5, 3841340), (10, 1920670), (20, 960335), (25, 768268), (29, 662300), (37, 519100), (50, 384134), (58, 331150), (74, 259550), (100, 192067), (116, 165575), (145, 132460), (148, 129775), (179, 107300), (185, 103820), (290, 66230), (358, 53650), (370, 51910), (580, 33115), (716, 26825), (725, 26492), (740, 25955), (895, 21460), (925, 20764), (1073, 17900), (1450, 13246), (1790, 10730), (1850, 10382), (2146, 8950), (2900, 6623), (3580, 5365), (3700, 5191), (4292, 4475)]