18830504

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 45258570

約数和(自身を除く): 26428066

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 397, 484, 539, 616, 794, 847, 968, 1078, 1588, 1694, 2156, 2779, 3176, 3388, 4312, 4367, 5558, 5929, 6776, 8734, 11116, 11858, 17468, 19453, 22232, 23716, 30569, 34936, 38906, 47432, 48037, 61138, 77812, 96074, 122276, 155624, 192148, 213983, 244552, 336259, 384296, 427966, 672518, 855932, 1345036, 1711864, 2353813, 2690072, 4707626, 9415252, 18830504]

約数ペア:

[(1, 18830504), (2, 9415252), (4, 4707626), (7, 2690072), (8, 2353813), (11, 1711864), (14, 1345036), (22, 855932), (28, 672518), (44, 427966), (49, 384296), (56, 336259), (77, 244552), (88, 213983), (98, 192148), (121, 155624), (154, 122276), (196, 96074), (242, 77812), (308, 61138), (392, 48037), (397, 47432), (484, 38906), (539, 34936), (616, 30569), (794, 23716), (847, 22232), (968, 19453), (1078, 17468), (1588, 11858), (1694, 11116), (2156, 8734), (2779, 6776), (3176, 5929), (3388, 5558), (4312, 4367)]