1918288996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{16187}}^1$

素因数の和:16300

約数の個数: 48

約数和(自身を含む): 3769343424

約数和(自身を除く): 1851054428

約数列:

[1, 2, 4, 13, 26, 43, 52, 53, 86, 106, 172, 212, 559, 689, 1118, 1378, 2236, 2279, 2756, 4558, 9116, 16187, 29627, 32374, 59254, 64748, 118508, 210431, 420862, 696041, 841724, 857911, 1392082, 1715822, 2784164, 3431644, 9048533, 11152843, 18097066, 22305686, 36194132, 36890173, 44611372, 73780346, 147560692, 479572249, 959144498, 1918288996]

約数ペア:

[(1, 1918288996), (2, 959144498), (4, 479572249), (13, 147560692), (26, 73780346), (43, 44611372), (52, 36890173), (53, 36194132), (86, 22305686), (106, 18097066), (172, 11152843), (212, 9048533), (559, 3431644), (689, 2784164), (1118, 1715822), (1378, 1392082), (2236, 857911), (2279, 841724), (2756, 696041), (4558, 420862), (9116, 210431), (16187, 118508), (29627, 64748), (32374, 59254)]