18713700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 62496000

約数和(自身を除く): 43782300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 225, 239, 261, 270, 290, 300, 348, 435, 450, 478, 522, 540, 580, 675, 717, 725, 783, 870, 900, 956, 1044, 1195, 1305, 1350, 1434, 1450, 1566, 1740, 2151, 2175, 2390, 2610, 2700, 2868, 2900, 3132, 3585, 3915, 4302, 4350, 4780, 5220, 5975, 6453, 6525, 6931, 7170, 7830, 8604, 8700, 10755, 11950, 12906, 13050, 13862, 14340, 15660, 17925, 19575, 20793, 21510, 23900, 25812, 26100, 27724, 32265, 34655, 35850, 39150, 41586, 43020, 53775, 62379, 64530, 69310, 71700, 78300, 83172, 103965, 107550, 124758, 129060, 138620, 161325, 173275, 187137, 207930, 215100, 249516, 311895, 322650, 346550, 374274, 415860, 519825, 623790, 645300, 693100, 748548, 935685, 1039650, 1247580, 1559475, 1871370, 2079300, 3118950, 3742740, 4678425, 6237900, 9356850, 18713700]

約数ペア:

[(1, 18713700), (2, 9356850), (3, 6237900), (4, 4678425), (5, 3742740), (6, 3118950), (9, 2079300), (10, 1871370), (12, 1559475), (15, 1247580), (18, 1039650), (20, 935685), (25, 748548), (27, 693100), (29, 645300), (30, 623790), (36, 519825), (45, 415860), (50, 374274), (54, 346550), (58, 322650), (60, 311895), (75, 249516), (87, 215100), (90, 207930), (100, 187137), (108, 173275), (116, 161325), (135, 138620), (145, 129060), (150, 124758), (174, 107550), (180, 103965), (225, 83172), (239, 78300), (261, 71700), (270, 69310), (290, 64530), (300, 62379), (348, 53775), (435, 43020), (450, 41586), (478, 39150), (522, 35850), (540, 34655), (580, 32265), (675, 27724), (717, 26100), (725, 25812), (783, 23900), (870, 21510), (900, 20793), (956, 19575), (1044, 17925), (1195, 15660), (1305, 14340), (1350, 13862), (1434, 13050), (1450, 12906), (1566, 11950), (1740, 10755), (2151, 8700), (2175, 8604), (2390, 7830), (2610, 7170), (2700, 6931), (2868, 6525), (2900, 6453), (3132, 5975), (3585, 5220), (3915, 4780), (4302, 4350)]