18733650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:780

約数の個数: 72

約数和(自身を含む): 50376240

約数和(自身を除く): 31642590

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 739, 845, 975, 1014, 1478, 1690, 1950, 2217, 2535, 3695, 4225, 4434, 5070, 7390, 8450, 9607, 11085, 12675, 18475, 19214, 22170, 25350, 28821, 36950, 48035, 55425, 57642, 96070, 110850, 124891, 144105, 240175, 249782, 288210, 374673, 480350, 624455, 720525, 749346, 1248910, 1441050, 1873365, 3122275, 3746730, 6244550, 9366825, 18733650]

約数ペア:

[(1, 18733650), (2, 9366825), (3, 6244550), (5, 3746730), (6, 3122275), (10, 1873365), (13, 1441050), (15, 1248910), (25, 749346), (26, 720525), (30, 624455), (39, 480350), (50, 374673), (65, 288210), (75, 249782), (78, 240175), (130, 144105), (150, 124891), (169, 110850), (195, 96070), (325, 57642), (338, 55425), (390, 48035), (507, 36950), (650, 28821), (739, 25350), (845, 22170), (975, 19214), (1014, 18475), (1478, 12675), (1690, 11085), (1950, 9607), (2217, 8450), (2535, 7390), (3695, 5070), (4225, 4434)]