18782764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4726

約数の個数: 48

約数和(自身を含む): 44142336

約数和(自身を除く): 25359572

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4691, 9382, 18764, 32837, 51601, 60983, 65674, 103202, 121966, 131348, 206404, 243932, 361207, 426881, 670813, 722414, 853762, 1341626, 1444828, 1707524, 2683252, 4695691, 9391382, 18782764]

約数ペア:

[(1, 18782764), (2, 9391382), (4, 4695691), (7, 2683252), (11, 1707524), (13, 1444828), (14, 1341626), (22, 853762), (26, 722414), (28, 670813), (44, 426881), (52, 361207), (77, 243932), (91, 206404), (143, 131348), (154, 121966), (182, 103202), (286, 65674), (308, 60983), (364, 51601), (572, 32837), (1001, 18764), (2002, 9382), (4004, 4691)]