18691509122

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{312703}}^1$

素因数の和:312759

約数の個数: 48

約数和(自身を含む): 34935290880

約数和(自身を除く): 16243781758

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 121, 143, 209, 242, 247, 286, 418, 494, 1573, 2299, 2717, 3146, 4598, 5434, 29887, 59774, 312703, 625406, 3439733, 4065139, 5941357, 6879466, 8130278, 11882714, 37837063, 44716529, 65354927, 75674126, 77237641, 89433058, 130709854, 154475282, 491881819, 718904197, 849614051, 983763638, 1437808394, 1699228102, 9345754561, 18691509122]

約数ペア:

[(1, 18691509122), (2, 9345754561), (11, 1699228102), (13, 1437808394), (19, 983763638), (22, 849614051), (26, 718904197), (38, 491881819), (121, 154475282), (143, 130709854), (209, 89433058), (242, 77237641), (247, 75674126), (286, 65354927), (418, 44716529), (494, 37837063), (1573, 11882714), (2299, 8130278), (2717, 6879466), (3146, 5941357), (4598, 4065139), (5434, 3439733), (29887, 625406), (59774, 312703)]