18893732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 43182720

約数和(自身を除く): 24288988

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 29, 34, 44, 52, 58, 67, 68, 116, 134, 143, 187, 221, 268, 286, 319, 374, 377, 442, 493, 572, 638, 737, 748, 754, 871, 884, 986, 1139, 1276, 1474, 1508, 1742, 1943, 1972, 2278, 2431, 2948, 3484, 3886, 4147, 4556, 4862, 5423, 6409, 7772, 8294, 9581, 9724, 10846, 12529, 12818, 14807, 16588, 19162, 21373, 21692, 25058, 25259, 25636, 29614, 33031, 38324, 42746, 50116, 50518, 59228, 66062, 70499, 85492, 101036, 132124, 140998, 162877, 277849, 281996, 325754, 363341, 429403, 555698, 651508, 726682, 858806, 1111396, 1453364, 1717612, 4723433, 9446866, 18893732]

約数ペア:

[(1, 18893732), (2, 9446866), (4, 4723433), (11, 1717612), (13, 1453364), (17, 1111396), (22, 858806), (26, 726682), (29, 651508), (34, 555698), (44, 429403), (52, 363341), (58, 325754), (67, 281996), (68, 277849), (116, 162877), (134, 140998), (143, 132124), (187, 101036), (221, 85492), (268, 70499), (286, 66062), (319, 59228), (374, 50518), (377, 50116), (442, 42746), (493, 38324), (572, 33031), (638, 29614), (737, 25636), (748, 25259), (754, 25058), (871, 21692), (884, 21373), (986, 19162), (1139, 16588), (1276, 14807), (1474, 12818), (1508, 12529), (1742, 10846), (1943, 9724), (1972, 9581), (2278, 8294), (2431, 7772), (2948, 6409), (3484, 5423), (3886, 4862), (4147, 4556)]