19349440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 33320000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 239, 253, 320, 352, 368, 440, 460, 478, 506, 704, 736, 880, 920, 956, 1012, 1195, 1265, 1472, 1760, 1840, 1912, 2024, 2390, 2530, 2629, 3520, 3680, 3824, 4048, 4780, 5060, 5258, 5497, 7360, 7648, 8096, 9560, 10120, 10516, 10994, 13145, 15296, 16192, 19120, 20240, 21032, 21988, 26290, 27485, 38240, 40480, 42064, 43976, 52580, 54970, 60467, 76480, 80960, 84128, 87952, 105160, 109940, 120934, 168256, 175904, 210320, 219880, 241868, 302335, 351808, 420640, 439760, 483736, 604670, 841280, 879520, 967472, 1209340, 1759040, 1934944, 2418680, 3869888, 4837360, 9674720, 19349440]

約数ペア:

[(1, 19349440), (2, 9674720), (4, 4837360), (5, 3869888), (8, 2418680), (10, 1934944), (11, 1759040), (16, 1209340), (20, 967472), (22, 879520), (23, 841280), (32, 604670), (40, 483736), (44, 439760), (46, 420640), (55, 351808), (64, 302335), (80, 241868), (88, 219880), (92, 210320), (110, 175904), (115, 168256), (160, 120934), (176, 109940), (184, 105160), (220, 87952), (230, 84128), (239, 80960), (253, 76480), (320, 60467), (352, 54970), (368, 52580), (440, 43976), (460, 42064), (478, 40480), (506, 38240), (704, 27485), (736, 26290), (880, 21988), (920, 21032), (956, 20240), (1012, 19120), (1195, 16192), (1265, 15296), (1472, 13145), (1760, 10994), (1840, 10516), (1912, 10120), (2024, 9560), (2390, 8096), (2530, 7648), (2629, 7360), (3520, 5497), (3680, 5258), (3824, 5060), (4048, 4780)]