17821468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 37945600

約数和(自身を除く): 20124132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 241, 266, 278, 482, 532, 556, 964, 973, 1687, 1946, 2641, 3374, 3892, 4579, 5282, 6748, 9158, 10564, 18316, 18487, 32053, 33499, 36974, 64106, 66998, 73948, 128212, 133996, 234493, 468986, 636481, 937972, 1272962, 2545924, 4455367, 8910734, 17821468]

約数ペア:

[(1, 17821468), (2, 8910734), (4, 4455367), (7, 2545924), (14, 1272962), (19, 937972), (28, 636481), (38, 468986), (76, 234493), (133, 133996), (139, 128212), (241, 73948), (266, 66998), (278, 64106), (482, 36974), (532, 33499), (556, 32053), (964, 18487), (973, 18316), (1687, 10564), (1946, 9158), (2641, 6748), (3374, 5282), (3892, 4579)]