19813696

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1007

約数の個数: 56

約数和(自身を含む): 45939456

約数和(自身を除く): 26125760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 941, 1316, 1504, 1882, 2632, 3008, 3764, 5264, 6587, 7528, 10528, 13174, 15056, 21056, 26348, 30112, 44227, 52696, 60224, 88454, 105392, 176908, 210784, 309589, 353816, 421568, 619178, 707632, 1238356, 1415264, 2476712, 2830528, 4953424, 9906848, 19813696]

約数ペア:

[(1, 19813696), (2, 9906848), (4, 4953424), (7, 2830528), (8, 2476712), (14, 1415264), (16, 1238356), (28, 707632), (32, 619178), (47, 421568), (56, 353816), (64, 309589), (94, 210784), (112, 176908), (188, 105392), (224, 88454), (329, 60224), (376, 52696), (448, 44227), (658, 30112), (752, 26348), (941, 21056), (1316, 15056), (1504, 13174), (1882, 10528), (2632, 7528), (3008, 6587), (3764, 5264)]