19115280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 64995840

約数和(自身を除く): 45880560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 191, 240, 278, 360, 382, 417, 556, 573, 695, 720, 764, 834, 955, 1112, 1146, 1251, 1390, 1528, 1668, 1719, 1910, 2085, 2224, 2292, 2502, 2780, 2865, 3056, 3336, 3438, 3820, 4170, 4584, 5004, 5560, 5730, 6255, 6672, 6876, 7640, 8340, 8595, 9168, 10008, 11120, 11460, 12510, 13752, 15280, 16680, 17190, 20016, 22920, 25020, 26549, 27504, 33360, 34380, 45840, 50040, 53098, 68760, 79647, 100080, 106196, 132745, 137520, 159294, 212392, 238941, 265490, 318588, 398235, 424784, 477882, 530980, 637176, 796470, 955764, 1061960, 1194705, 1274352, 1592940, 1911528, 2123920, 2389410, 3185880, 3823056, 4778820, 6371760, 9557640, 19115280]

約数ペア:

[(1, 19115280), (2, 9557640), (3, 6371760), (4, 4778820), (5, 3823056), (6, 3185880), (8, 2389410), (9, 2123920), (10, 1911528), (12, 1592940), (15, 1274352), (16, 1194705), (18, 1061960), (20, 955764), (24, 796470), (30, 637176), (36, 530980), (40, 477882), (45, 424784), (48, 398235), (60, 318588), (72, 265490), (80, 238941), (90, 212392), (120, 159294), (139, 137520), (144, 132745), (180, 106196), (191, 100080), (240, 79647), (278, 68760), (360, 53098), (382, 50040), (417, 45840), (556, 34380), (573, 33360), (695, 27504), (720, 26549), (764, 25020), (834, 22920), (955, 20016), (1112, 17190), (1146, 16680), (1251, 15280), (1390, 13752), (1528, 12510), (1668, 11460), (1719, 11120), (1910, 10008), (2085, 9168), (2224, 8595), (2292, 8340), (2502, 7640), (2780, 6876), (2865, 6672), (3056, 6255), (3336, 5730), (3438, 5560), (3820, 5004), (4170, 4584)]