15981394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 31570560

約数和(自身を除く): 15589166

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 173, 187, 209, 221, 247, 286, 323, 346, 374, 418, 442, 494, 646, 1903, 2249, 2431, 2717, 2941, 3287, 3553, 3806, 4199, 4498, 4862, 5434, 5882, 6574, 7106, 8398, 24739, 32351, 36157, 38233, 42731, 46189, 49478, 55879, 64702, 72314, 76466, 85462, 92378, 111758, 420563, 470041, 614669, 726427, 841126, 940082, 1229338, 1452854, 7990697, 15981394]

約数ペア:

[(1, 15981394), (2, 7990697), (11, 1452854), (13, 1229338), (17, 940082), (19, 841126), (22, 726427), (26, 614669), (34, 470041), (38, 420563), (143, 111758), (173, 92378), (187, 85462), (209, 76466), (221, 72314), (247, 64702), (286, 55879), (323, 49478), (346, 46189), (374, 42731), (418, 38233), (442, 36157), (494, 32351), (646, 24739), (1903, 8398), (2249, 7106), (2431, 6574), (2717, 5882), (2941, 5434), (3287, 4862), (3553, 4498), (3806, 4199)]