18996210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2543}}^1$

素因数の和:2639

約数の個数: 48

約数和(自身を含む): 50004864

約数和(自身を除く): 31008654

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2543, 3735, 5086, 7470, 7629, 12715, 15258, 22887, 25430, 38145, 45774, 76290, 114435, 211069, 228870, 422138, 633207, 1055345, 1266414, 1899621, 2110690, 3166035, 3799242, 6332070, 9498105, 18996210]

約数ペア:

[(1, 18996210), (2, 9498105), (3, 6332070), (5, 3799242), (6, 3166035), (9, 2110690), (10, 1899621), (15, 1266414), (18, 1055345), (30, 633207), (45, 422138), (83, 228870), (90, 211069), (166, 114435), (249, 76290), (415, 45774), (498, 38145), (747, 25430), (830, 22887), (1245, 15258), (1494, 12715), (2490, 7629), (2543, 7470), (3735, 5086)]