19519444

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 40924800

約数和(自身を除く): 21405356

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 347, 574, 686, 694, 1148, 1372, 1388, 2009, 2429, 4018, 4858, 8036, 9716, 14063, 14227, 17003, 28126, 28454, 34006, 56252, 56908, 68012, 99589, 119021, 199178, 238042, 398356, 476084, 697123, 1394246, 2788492, 4879861, 9759722, 19519444]

約数ペア:

[(1, 19519444), (2, 9759722), (4, 4879861), (7, 2788492), (14, 1394246), (28, 697123), (41, 476084), (49, 398356), (82, 238042), (98, 199178), (164, 119021), (196, 99589), (287, 68012), (343, 56908), (347, 56252), (574, 34006), (686, 28454), (694, 28126), (1148, 17003), (1372, 14227), (1388, 14063), (2009, 9716), (2429, 8036), (4018, 4858)]