20182908

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 48875904

約数和(自身を除く): 28692996

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 131, 148, 222, 262, 347, 393, 444, 524, 694, 786, 1041, 1388, 1572, 2082, 4164, 4847, 9694, 12839, 14541, 19388, 25678, 29082, 38517, 45457, 51356, 58164, 77034, 90914, 136371, 154068, 181828, 272742, 545484, 1681909, 3363818, 5045727, 6727636, 10091454, 20182908]

約数ペア:

[(1, 20182908), (2, 10091454), (3, 6727636), (4, 5045727), (6, 3363818), (12, 1681909), (37, 545484), (74, 272742), (111, 181828), (131, 154068), (148, 136371), (222, 90914), (262, 77034), (347, 58164), (393, 51356), (444, 45457), (524, 38517), (694, 29082), (786, 25678), (1041, 19388), (1388, 14541), (1572, 12839), (2082, 9694), (4164, 4847)]