19939095

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 40089600

約数和(自身を除く): 20150505

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 87, 99, 135, 145, 165, 261, 297, 319, 435, 463, 495, 783, 957, 1305, 1389, 1485, 1595, 2315, 2871, 3915, 4167, 4785, 5093, 6945, 8613, 12501, 13427, 14355, 15279, 20835, 25465, 40281, 43065, 45837, 62505, 67135, 76395, 120843, 137511, 147697, 201405, 229185, 362529, 443091, 604215, 687555, 738485, 1329273, 1812645, 2215455, 3987819, 6646365, 19939095]

約数ペア:

[(1, 19939095), (3, 6646365), (5, 3987819), (9, 2215455), (11, 1812645), (15, 1329273), (27, 738485), (29, 687555), (33, 604215), (45, 443091), (55, 362529), (87, 229185), (99, 201405), (135, 147697), (145, 137511), (165, 120843), (261, 76395), (297, 67135), (319, 62505), (435, 45837), (463, 43065), (495, 40281), (783, 25465), (957, 20835), (1305, 15279), (1389, 14355), (1485, 13427), (1595, 12501), (2315, 8613), (2871, 6945), (3915, 5093), (4167, 4785)]