19858951875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{1163}}^1\times {\mathrm{1301}}^1$

素因数の和:2494

約数の個数: 80

約数和(自身を含む): 37876075776

約数和(自身を除く): 18017123901

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 1163, 1301, 1875, 2625, 3489, 3903, 4375, 5815, 6505, 8141, 9107, 13125, 17445, 19515, 24423, 27321, 29075, 32525, 40705, 45535, 87225, 97575, 122115, 136605, 145375, 162625, 203525, 227675, 436125, 487875, 610575, 683025, 726875, 813125, 1017625, 1138375, 1513063, 2180625, 2439375, 3052875, 3415125, 4539189, 5088125, 5691875, 7565315, 10591441, 15264375, 17075625, 22695945, 31774323, 37826575, 52957205, 113479725, 158871615, 189132875, 264786025, 567398625, 794358075, 945664375, 1323930125, 2836993125, 3971790375, 6619650625, 19858951875]

約数ペア:

[(1, 19858951875), (3, 6619650625), (5, 3971790375), (7, 2836993125), (15, 1323930125), (21, 945664375), (25, 794358075), (35, 567398625), (75, 264786025), (105, 189132875), (125, 158871615), (175, 113479725), (375, 52957205), (525, 37826575), (625, 31774323), (875, 22695945), (1163, 17075625), (1301, 15264375), (1875, 10591441), (2625, 7565315), (3489, 5691875), (3903, 5088125), (4375, 4539189), (5815, 3415125), (6505, 3052875), (8141, 2439375), (9107, 2180625), (13125, 1513063), (17445, 1138375), (19515, 1017625), (24423, 813125), (27321, 726875), (29075, 683025), (32525, 610575), (40705, 487875), (45535, 436125), (87225, 227675), (97575, 203525), (122115, 162625), (136605, 145375)]