18801184

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 41776560

約数和(自身を除く): 22975376

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 107, 136, 152, 214, 272, 289, 304, 323, 428, 544, 578, 608, 646, 856, 1156, 1292, 1712, 1819, 2033, 2312, 2584, 3424, 3638, 4066, 4624, 5168, 5491, 7276, 8132, 9248, 10336, 10982, 14552, 16264, 21964, 29104, 30923, 32528, 34561, 43928, 58208, 61846, 65056, 69122, 87856, 123692, 138244, 175712, 247384, 276488, 494768, 552976, 587537, 989536, 1105952, 1175074, 2350148, 4700296, 9400592, 18801184]

約数ペア:

[(1, 18801184), (2, 9400592), (4, 4700296), (8, 2350148), (16, 1175074), (17, 1105952), (19, 989536), (32, 587537), (34, 552976), (38, 494768), (68, 276488), (76, 247384), (107, 175712), (136, 138244), (152, 123692), (214, 87856), (272, 69122), (289, 65056), (304, 61846), (323, 58208), (428, 43928), (544, 34561), (578, 32528), (608, 30923), (646, 29104), (856, 21964), (1156, 16264), (1292, 14552), (1712, 10982), (1819, 10336), (2033, 9248), (2312, 8132), (2584, 7276), (3424, 5491), (3638, 5168), (4066, 4624)]