18735450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 49550400

約数和(自身を除く): 30814950

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 59, 73, 75, 87, 118, 145, 146, 150, 174, 177, 219, 290, 295, 354, 365, 435, 438, 590, 725, 730, 870, 885, 1095, 1450, 1475, 1711, 1770, 1825, 2117, 2175, 2190, 2950, 3422, 3650, 4234, 4307, 4350, 4425, 5133, 5475, 6351, 8555, 8614, 8850, 10266, 10585, 10950, 12702, 12921, 17110, 21170, 21535, 25665, 25842, 31755, 42775, 43070, 51330, 52925, 63510, 64605, 85550, 105850, 107675, 124903, 128325, 129210, 158775, 215350, 249806, 256650, 317550, 323025, 374709, 624515, 646050, 749418, 1249030, 1873545, 3122575, 3747090, 6245150, 9367725, 18735450]

約数ペア:

[(1, 18735450), (2, 9367725), (3, 6245150), (5, 3747090), (6, 3122575), (10, 1873545), (15, 1249030), (25, 749418), (29, 646050), (30, 624515), (50, 374709), (58, 323025), (59, 317550), (73, 256650), (75, 249806), (87, 215350), (118, 158775), (145, 129210), (146, 128325), (150, 124903), (174, 107675), (177, 105850), (219, 85550), (290, 64605), (295, 63510), (354, 52925), (365, 51330), (435, 43070), (438, 42775), (590, 31755), (725, 25842), (730, 25665), (870, 21535), (885, 21170), (1095, 17110), (1450, 12921), (1475, 12702), (1711, 10950), (1770, 10585), (1825, 10266), (2117, 8850), (2175, 8614), (2190, 8555), (2950, 6351), (3422, 5475), (3650, 5133), (4234, 4425), (4307, 4350)]