19442780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 27671140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1229, 1582, 2260, 2458, 3164, 3955, 4916, 6145, 7910, 8603, 12290, 15820, 17206, 24580, 34412, 43015, 86030, 138877, 172060, 277754, 555508, 694385, 972139, 1388770, 1944278, 2777540, 3888556, 4860695, 9721390, 19442780]

約数ペア:

[(1, 19442780), (2, 9721390), (4, 4860695), (5, 3888556), (7, 2777540), (10, 1944278), (14, 1388770), (20, 972139), (28, 694385), (35, 555508), (70, 277754), (113, 172060), (140, 138877), (226, 86030), (452, 43015), (565, 34412), (791, 24580), (1130, 17206), (1229, 15820), (1582, 12290), (2260, 8603), (2458, 7910), (3164, 6145), (3955, 4916)]