19253728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1547

約数の個数: 48

約数和(自身を含む): 42166656

約数和(自身を除く): 22912928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1493, 1612, 2986, 3224, 5972, 6448, 11944, 12896, 19409, 23888, 38818, 46283, 47776, 77636, 92566, 155272, 185132, 310544, 370264, 601679, 621088, 740528, 1203358, 1481056, 2406716, 4813432, 9626864, 19253728]

約数ペア:

[(1, 19253728), (2, 9626864), (4, 4813432), (8, 2406716), (13, 1481056), (16, 1203358), (26, 740528), (31, 621088), (32, 601679), (52, 370264), (62, 310544), (104, 185132), (124, 155272), (208, 92566), (248, 77636), (403, 47776), (416, 46283), (496, 38818), (806, 23888), (992, 19409), (1493, 12896), (1612, 11944), (2986, 6448), (3224, 5972)]