18649184

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 39740400

約数和(自身を除く): 21091216

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 829, 1184, 1406, 1658, 2812, 3316, 5624, 6632, 11248, 13264, 15751, 22496, 26528, 30673, 31502, 61346, 63004, 122692, 126008, 245384, 252016, 490768, 504032, 582787, 981536, 1165574, 2331148, 4662296, 9324592, 18649184]

約数ペア:

[(1, 18649184), (2, 9324592), (4, 4662296), (8, 2331148), (16, 1165574), (19, 981536), (32, 582787), (37, 504032), (38, 490768), (74, 252016), (76, 245384), (148, 126008), (152, 122692), (296, 63004), (304, 61346), (592, 31502), (608, 30673), (703, 26528), (829, 22496), (1184, 15751), (1406, 13264), (1658, 11248), (2812, 6632), (3316, 5624)]