19381500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 63030240

約数和(自身を除く): 43648740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 59, 60, 73, 75, 90, 100, 118, 125, 146, 150, 177, 180, 219, 225, 236, 250, 292, 295, 300, 354, 365, 375, 438, 450, 500, 531, 590, 657, 708, 730, 750, 876, 885, 900, 1062, 1095, 1125, 1180, 1314, 1460, 1475, 1500, 1770, 1825, 2124, 2190, 2250, 2628, 2655, 2950, 3285, 3540, 3650, 4307, 4380, 4425, 4500, 5310, 5475, 5900, 6570, 7300, 7375, 8614, 8850, 9125, 10620, 10950, 12921, 13140, 13275, 14750, 16425, 17228, 17700, 18250, 21535, 21900, 22125, 25842, 26550, 27375, 29500, 32850, 36500, 38763, 43070, 44250, 51684, 53100, 54750, 64605, 65700, 66375, 77526, 82125, 86140, 88500, 107675, 109500, 129210, 132750, 155052, 164250, 193815, 215350, 258420, 265500, 323025, 328500, 387630, 430700, 538375, 646050, 775260, 969075, 1076750, 1292100, 1615125, 1938150, 2153500, 3230250, 3876300, 4845375, 6460500, 9690750, 19381500]

約数ペア:

[(1, 19381500), (2, 9690750), (3, 6460500), (4, 4845375), (5, 3876300), (6, 3230250), (9, 2153500), (10, 1938150), (12, 1615125), (15, 1292100), (18, 1076750), (20, 969075), (25, 775260), (30, 646050), (36, 538375), (45, 430700), (50, 387630), (59, 328500), (60, 323025), (73, 265500), (75, 258420), (90, 215350), (100, 193815), (118, 164250), (125, 155052), (146, 132750), (150, 129210), (177, 109500), (180, 107675), (219, 88500), (225, 86140), (236, 82125), (250, 77526), (292, 66375), (295, 65700), (300, 64605), (354, 54750), (365, 53100), (375, 51684), (438, 44250), (450, 43070), (500, 38763), (531, 36500), (590, 32850), (657, 29500), (708, 27375), (730, 26550), (750, 25842), (876, 22125), (885, 21900), (900, 21535), (1062, 18250), (1095, 17700), (1125, 17228), (1180, 16425), (1314, 14750), (1460, 13275), (1475, 13140), (1500, 12921), (1770, 10950), (1825, 10620), (2124, 9125), (2190, 8850), (2250, 8614), (2628, 7375), (2655, 7300), (2950, 6570), (3285, 5900), (3540, 5475), (3650, 5310), (4307, 4500), (4380, 4425)]