19162220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:591

約数の個数: 96

約数和(自身を含む): 52448256

約数和(自身を除く): 33286036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 541, 644, 770, 805, 1012, 1082, 1265, 1540, 1610, 1771, 2164, 2530, 2705, 3220, 3542, 3787, 5060, 5410, 5951, 7084, 7574, 8855, 10820, 11902, 12443, 15148, 17710, 18935, 23804, 24886, 29755, 35420, 37870, 41657, 49772, 59510, 62215, 75740, 83314, 87101, 119020, 124430, 136873, 166628, 174202, 208285, 248860, 273746, 348404, 416570, 435505, 547492, 684365, 833140, 871010, 958111, 1368730, 1742020, 1916222, 2737460, 3832444, 4790555, 9581110, 19162220]

約数ペア:

[(1, 19162220), (2, 9581110), (4, 4790555), (5, 3832444), (7, 2737460), (10, 1916222), (11, 1742020), (14, 1368730), (20, 958111), (22, 871010), (23, 833140), (28, 684365), (35, 547492), (44, 435505), (46, 416570), (55, 348404), (70, 273746), (77, 248860), (92, 208285), (110, 174202), (115, 166628), (140, 136873), (154, 124430), (161, 119020), (220, 87101), (230, 83314), (253, 75740), (308, 62215), (322, 59510), (385, 49772), (460, 41657), (506, 37870), (541, 35420), (644, 29755), (770, 24886), (805, 23804), (1012, 18935), (1082, 17710), (1265, 15148), (1540, 12443), (1610, 11902), (1771, 10820), (2164, 8855), (2530, 7574), (2705, 7084), (3220, 5951), (3542, 5410), (3787, 5060)]