18796872

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 30451128

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 113, 116, 174, 226, 232, 239, 339, 348, 452, 478, 678, 696, 717, 904, 956, 1356, 1434, 1912, 2712, 2868, 3277, 5736, 6554, 6931, 9831, 13108, 13862, 19662, 20793, 26216, 27007, 27724, 39324, 41586, 54014, 55448, 78648, 81021, 83172, 108028, 162042, 166344, 216056, 324084, 648168, 783203, 1566406, 2349609, 3132812, 4699218, 6265624, 9398436, 18796872]

約数ペア:

[(1, 18796872), (2, 9398436), (3, 6265624), (4, 4699218), (6, 3132812), (8, 2349609), (12, 1566406), (24, 783203), (29, 648168), (58, 324084), (87, 216056), (113, 166344), (116, 162042), (174, 108028), (226, 83172), (232, 81021), (239, 78648), (339, 55448), (348, 54014), (452, 41586), (478, 39324), (678, 27724), (696, 27007), (717, 26216), (904, 20793), (956, 19662), (1356, 13862), (1434, 13108), (1912, 9831), (2712, 6931), (2868, 6554), (3277, 5736)]