2019059605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 2786918400

約数和(自身を除く): 767858795

約数列:

[1, 5, 19, 29, 31, 47, 95, 145, 155, 235, 503, 551, 589, 893, 899, 1363, 1457, 2515, 2755, 2945, 4465, 4495, 6815, 7285, 9557, 14587, 15593, 17081, 23641, 25897, 27683, 42253, 47785, 72935, 77965, 85405, 118205, 129485, 138415, 211265, 277153, 296267, 449179, 452197, 685589, 732871, 802807, 1385765, 1481335, 2245895, 2260985, 3427945, 3664355, 4014035, 8591743, 13026191, 13924549, 21253259, 42958715, 65130955, 69622745, 106266295, 403811921, 2019059605]

約数ペア:

[(1, 2019059605), (5, 403811921), (19, 106266295), (29, 69622745), (31, 65130955), (47, 42958715), (95, 21253259), (145, 13924549), (155, 13026191), (235, 8591743), (503, 4014035), (551, 3664355), (589, 3427945), (893, 2260985), (899, 2245895), (1363, 1481335), (1457, 1385765), (2515, 802807), (2755, 732871), (2945, 685589), (4465, 452197), (4495, 449179), (6815, 296267), (7285, 277153), (9557, 211265), (14587, 138415), (15593, 129485), (17081, 118205), (23641, 85405), (25897, 77965), (27683, 72935), (42253, 47785)]