19843252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 41291712

約数和(自身を除く): 21448460

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 113, 143, 226, 286, 307, 452, 572, 614, 1228, 1243, 1469, 2486, 2938, 3377, 3991, 4972, 5876, 6754, 7982, 13508, 15964, 16159, 32318, 34691, 43901, 64636, 69382, 87802, 138764, 175604, 381601, 450983, 763202, 901966, 1526404, 1803932, 4960813, 9921626, 19843252]

約数ペア:

[(1, 19843252), (2, 9921626), (4, 4960813), (11, 1803932), (13, 1526404), (22, 901966), (26, 763202), (44, 450983), (52, 381601), (113, 175604), (143, 138764), (226, 87802), (286, 69382), (307, 64636), (452, 43901), (572, 34691), (614, 32318), (1228, 16159), (1243, 15964), (1469, 13508), (2486, 7982), (2938, 6754), (3377, 5876), (3991, 4972)]