19898112

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2025

約数の個数: 72

約数和(自身を含む): 57060304

約数和(自身を除く): 37162192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 1993, 2496, 3328, 3986, 4992, 5979, 7972, 9984, 11958, 15944, 23916, 25909, 31888, 47832, 51818, 63776, 77727, 95664, 103636, 127552, 155454, 191328, 207272, 255104, 310908, 382656, 414544, 510208, 621816, 765312, 829088, 1243632, 1530624, 1658176, 2487264, 3316352, 4974528, 6632704, 9949056, 19898112]

約数ペア:

[(1, 19898112), (2, 9949056), (3, 6632704), (4, 4974528), (6, 3316352), (8, 2487264), (12, 1658176), (13, 1530624), (16, 1243632), (24, 829088), (26, 765312), (32, 621816), (39, 510208), (48, 414544), (52, 382656), (64, 310908), (78, 255104), (96, 207272), (104, 191328), (128, 155454), (156, 127552), (192, 103636), (208, 95664), (256, 77727), (312, 63776), (384, 51818), (416, 47832), (624, 31888), (768, 25909), (832, 23916), (1248, 15944), (1664, 11958), (1993, 9984), (2496, 7972), (3328, 5979), (3986, 4992)]