18693064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 40748400

約数和(自身を除く): 22055336

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 97, 104, 109, 136, 194, 218, 221, 388, 436, 442, 776, 872, 884, 1261, 1417, 1649, 1768, 1853, 2522, 2834, 3298, 3706, 5044, 5668, 6596, 7412, 10088, 10573, 11336, 13192, 14824, 21146, 21437, 24089, 42292, 42874, 48178, 84584, 85748, 96356, 137449, 171496, 179741, 192712, 274898, 359482, 549796, 718964, 1099592, 1437928, 2336633, 4673266, 9346532, 18693064]

約数ペア:

[(1, 18693064), (2, 9346532), (4, 4673266), (8, 2336633), (13, 1437928), (17, 1099592), (26, 718964), (34, 549796), (52, 359482), (68, 274898), (97, 192712), (104, 179741), (109, 171496), (136, 137449), (194, 96356), (218, 85748), (221, 84584), (388, 48178), (436, 42874), (442, 42292), (776, 24089), (872, 21437), (884, 21146), (1261, 14824), (1417, 13192), (1649, 11336), (1768, 10573), (1853, 10088), (2522, 7412), (2834, 6596), (3298, 5668), (3706, 5044)]