19893328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1051}}^1$

素因数の和:1092

約数の個数: 60

約数和(自身を含む): 47743968

約数和(自身を除く): 27850640

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1051, 1183, 1352, 1456, 2102, 2366, 2704, 4204, 4732, 7357, 8408, 9464, 13663, 14714, 16816, 18928, 27326, 29428, 54652, 58856, 95641, 109304, 117712, 177619, 191282, 218608, 355238, 382564, 710476, 765128, 1243333, 1420952, 1530256, 2486666, 2841904, 4973332, 9946664, 19893328]

約数ペア:

[(1, 19893328), (2, 9946664), (4, 4973332), (7, 2841904), (8, 2486666), (13, 1530256), (14, 1420952), (16, 1243333), (26, 765128), (28, 710476), (52, 382564), (56, 355238), (91, 218608), (104, 191282), (112, 177619), (169, 117712), (182, 109304), (208, 95641), (338, 58856), (364, 54652), (676, 29428), (728, 27326), (1051, 18928), (1183, 16816), (1352, 14714), (1456, 13663), (2102, 9464), (2366, 8408), (2704, 7357), (4204, 4732)]