18421872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 36574608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 109, 112, 168, 218, 327, 336, 436, 503, 654, 763, 872, 1006, 1308, 1509, 1526, 1744, 2012, 2289, 2616, 3018, 3052, 3521, 4024, 4578, 5232, 6036, 6104, 7042, 8048, 9156, 10563, 12072, 12208, 14084, 18312, 21126, 24144, 28168, 36624, 42252, 54827, 56336, 84504, 109654, 164481, 169008, 219308, 328962, 383789, 438616, 657924, 767578, 877232, 1151367, 1315848, 1535156, 2302734, 2631696, 3070312, 4605468, 6140624, 9210936, 18421872]

約数ペア:

[(1, 18421872), (2, 9210936), (3, 6140624), (4, 4605468), (6, 3070312), (7, 2631696), (8, 2302734), (12, 1535156), (14, 1315848), (16, 1151367), (21, 877232), (24, 767578), (28, 657924), (42, 438616), (48, 383789), (56, 328962), (84, 219308), (109, 169008), (112, 164481), (168, 109654), (218, 84504), (327, 56336), (336, 54827), (436, 42252), (503, 36624), (654, 28168), (763, 24144), (872, 21126), (1006, 18312), (1308, 14084), (1509, 12208), (1526, 12072), (1744, 10563), (2012, 9156), (2289, 8048), (2616, 7042), (3018, 6104), (3052, 6036), (3521, 5232), (4024, 4578)]