18707850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{5939}}^1$

素因数の和:5964

約数の個数: 72

約数和(自身を含む): 57451680

約数和(自身を除く): 38743830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 5939, 11878, 17817, 29695, 35634, 41573, 53451, 59390, 83146, 89085, 106902, 124719, 148475, 178170, 207865, 249438, 267255, 296950, 374157, 415730, 445425, 534510, 623595, 748314, 890850, 1039325, 1247190, 1336275, 1870785, 2078650, 2672550, 3117975, 3741570, 6235950, 9353925, 18707850]

約数ペア:

[(1, 18707850), (2, 9353925), (3, 6235950), (5, 3741570), (6, 3117975), (7, 2672550), (9, 2078650), (10, 1870785), (14, 1336275), (15, 1247190), (18, 1039325), (21, 890850), (25, 748314), (30, 623595), (35, 534510), (42, 445425), (45, 415730), (50, 374157), (63, 296950), (70, 267255), (75, 249438), (90, 207865), (105, 178170), (126, 148475), (150, 124719), (175, 106902), (210, 89085), (225, 83146), (315, 59390), (350, 53451), (450, 41573), (525, 35634), (630, 29695), (1050, 17817), (1575, 11878), (3150, 5939)]