19913392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 41180400

約数和(自身を除く): 21267008

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 272, 358, 409, 716, 818, 1432, 1636, 2864, 3043, 3272, 6086, 6544, 6953, 12172, 13906, 24344, 27812, 48688, 55624, 73211, 111248, 146422, 292844, 585688, 1171376, 1244587, 2489174, 4978348, 9956696, 19913392]

約数ペア:

[(1, 19913392), (2, 9956696), (4, 4978348), (8, 2489174), (16, 1244587), (17, 1171376), (34, 585688), (68, 292844), (136, 146422), (179, 111248), (272, 73211), (358, 55624), (409, 48688), (716, 27812), (818, 24344), (1432, 13906), (1636, 12172), (2864, 6953), (3043, 6544), (3272, 6086)]