18988128

素因数分解:

$2^5\times 3^3\times {\mathrm{21977}}^1$

素因数の和:21996

約数の個数: 48

約数和(自身を含む): 55384560

約数和(自身を除く): 36396432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 21977, 43954, 65931, 87908, 131862, 175816, 197793, 263724, 351632, 395586, 527448, 593379, 703264, 791172, 1054896, 1186758, 1582344, 2109792, 2373516, 3164688, 4747032, 6329376, 9494064, 18988128]

約数ペア:

[(1, 18988128), (2, 9494064), (3, 6329376), (4, 4747032), (6, 3164688), (8, 2373516), (9, 2109792), (12, 1582344), (16, 1186758), (18, 1054896), (24, 791172), (27, 703264), (32, 593379), (36, 527448), (48, 395586), (54, 351632), (72, 263724), (96, 197793), (108, 175816), (144, 131862), (216, 87908), (288, 65931), (432, 43954), (864, 21977)]