2018360925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1993}}^1$

素因数の和:2659

約数の個数: 72

約数和(自身を含む): 4140054464

約数和(自身を除く): 2121693539

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 643, 1575, 1929, 1993, 3215, 4501, 5787, 5979, 9645, 9965, 13503, 13951, 16075, 17937, 22505, 28935, 29895, 40509, 41853, 48225, 49825, 67515, 69755, 89685, 112525, 125559, 144675, 149475, 202545, 209265, 337575, 348775, 448425, 627795, 1012725, 1046325, 1281499, 3138975, 3844497, 6407495, 8970493, 11533491, 19222485, 26911479, 32037475, 44852465, 57667455, 80734437, 96112425, 134557395, 224262325, 288337275, 403672185, 672786975, 2018360925]

約数ペア:

[(1, 2018360925), (3, 672786975), (5, 403672185), (7, 288337275), (9, 224262325), (15, 134557395), (21, 96112425), (25, 80734437), (35, 57667455), (45, 44852465), (63, 32037475), (75, 26911479), (105, 19222485), (175, 11533491), (225, 8970493), (315, 6407495), (525, 3844497), (643, 3138975), (1575, 1281499), (1929, 1046325), (1993, 1012725), (3215, 627795), (4501, 448425), (5787, 348775), (5979, 337575), (9645, 209265), (9965, 202545), (13503, 149475), (13951, 144675), (16075, 125559), (17937, 112525), (22505, 89685), (28935, 69755), (29895, 67515), (40509, 49825), (41853, 48225)]