18405492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12889}}^1$

素因数の和:12920

約数の個数: 48

約数和(自身を含む): 51972480

約数和(自身を除く): 33566988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 12889, 25778, 38667, 51556, 77334, 90223, 154668, 180446, 219113, 270669, 360892, 438226, 541338, 657339, 876452, 1082676, 1314678, 1533791, 2629356, 3067582, 4601373, 6135164, 9202746, 18405492]

約数ペア:

[(1, 18405492), (2, 9202746), (3, 6135164), (4, 4601373), (6, 3067582), (7, 2629356), (12, 1533791), (14, 1314678), (17, 1082676), (21, 876452), (28, 657339), (34, 541338), (42, 438226), (51, 360892), (68, 270669), (84, 219113), (102, 180446), (119, 154668), (204, 90223), (238, 77334), (357, 51556), (476, 38667), (714, 25778), (1428, 12889)]