19394025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 40497408

約数和(自身を除く): 21103383

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 41, 51, 53, 75, 85, 105, 119, 123, 159, 175, 205, 255, 265, 287, 357, 371, 425, 525, 595, 615, 697, 795, 861, 901, 1025, 1113, 1275, 1325, 1435, 1785, 1855, 2091, 2173, 2703, 2975, 3075, 3485, 3975, 4305, 4505, 4879, 5565, 6307, 6519, 7175, 8925, 9275, 10455, 10865, 13515, 14637, 15211, 17425, 18921, 21525, 22525, 24395, 27825, 31535, 32595, 36941, 45633, 52275, 54325, 67575, 73185, 76055, 94605, 110823, 121975, 157675, 162975, 184705, 228165, 258587, 365925, 380275, 473025, 554115, 775761, 923525, 1140825, 1292935, 2770575, 3878805, 6464675, 19394025]

約数ペア:

[(1, 19394025), (3, 6464675), (5, 3878805), (7, 2770575), (15, 1292935), (17, 1140825), (21, 923525), (25, 775761), (35, 554115), (41, 473025), (51, 380275), (53, 365925), (75, 258587), (85, 228165), (105, 184705), (119, 162975), (123, 157675), (159, 121975), (175, 110823), (205, 94605), (255, 76055), (265, 73185), (287, 67575), (357, 54325), (371, 52275), (425, 45633), (525, 36941), (595, 32595), (615, 31535), (697, 27825), (795, 24395), (861, 22525), (901, 21525), (1025, 18921), (1113, 17425), (1275, 15211), (1325, 14637), (1435, 13515), (1785, 10865), (1855, 10455), (2091, 9275), (2173, 8925), (2703, 7175), (2975, 6519), (3075, 6307), (3485, 5565), (3975, 4879), (4305, 4505)]