19686870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31249}}^1$

素因数の和:31269

約数の個数: 48

約数和(自身を含む): 58500000

約数和(自身を除く): 38813130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31249, 62498, 93747, 156245, 187494, 218743, 281241, 312490, 437486, 468735, 562482, 656229, 937470, 1093715, 1312458, 1406205, 1968687, 2187430, 2812410, 3281145, 3937374, 6562290, 9843435, 19686870]

約数ペア:

[(1, 19686870), (2, 9843435), (3, 6562290), (5, 3937374), (6, 3281145), (7, 2812410), (9, 2187430), (10, 1968687), (14, 1406205), (15, 1312458), (18, 1093715), (21, 937470), (30, 656229), (35, 562482), (42, 468735), (45, 437486), (63, 312490), (70, 281241), (90, 218743), (105, 187494), (126, 156245), (210, 93747), (315, 62498), (630, 31249)]