18984342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 25045098

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 103, 139, 206, 221, 278, 309, 417, 442, 618, 663, 834, 1326, 1339, 1751, 1807, 2363, 2678, 3502, 3614, 4017, 4726, 5253, 5421, 7089, 8034, 10506, 10842, 14178, 14317, 22763, 28634, 30719, 42951, 45526, 61438, 68289, 85902, 92157, 136578, 184314, 186121, 243389, 372242, 486778, 558363, 730167, 1116726, 1460334, 3164057, 6328114, 9492171, 18984342]

約数ペア:

[(1, 18984342), (2, 9492171), (3, 6328114), (6, 3164057), (13, 1460334), (17, 1116726), (26, 730167), (34, 558363), (39, 486778), (51, 372242), (78, 243389), (102, 186121), (103, 184314), (139, 136578), (206, 92157), (221, 85902), (278, 68289), (309, 61438), (417, 45526), (442, 42951), (618, 30719), (663, 28634), (834, 22763), (1326, 14317), (1339, 14178), (1751, 10842), (1807, 10506), (2363, 8034), (2678, 7089), (3502, 5421), (3614, 5253), (4017, 4726)]