19797716

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 37847040

約数和(自身を除く): 18049324

約数列:

[1, 2, 4, 31, 43, 47, 62, 79, 86, 94, 124, 158, 172, 188, 316, 1333, 1457, 2021, 2449, 2666, 2914, 3397, 3713, 4042, 4898, 5332, 5828, 6794, 7426, 8084, 9796, 13588, 14852, 62651, 105307, 115103, 125302, 159659, 210614, 230206, 250604, 319318, 421228, 460412, 638636, 4949429, 9898858, 19797716]

約数ペア:

[(1, 19797716), (2, 9898858), (4, 4949429), (31, 638636), (43, 460412), (47, 421228), (62, 319318), (79, 250604), (86, 230206), (94, 210614), (124, 159659), (158, 125302), (172, 115103), (188, 105307), (316, 62651), (1333, 14852), (1457, 13588), (2021, 9796), (2449, 8084), (2666, 7426), (2914, 6794), (3397, 5828), (3713, 5332), (4042, 4898)]