18883332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 51933336

約数和(自身を除く): 33050004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 257, 314, 468, 471, 514, 628, 771, 942, 1028, 1413, 1542, 1884, 2041, 2313, 2826, 3084, 3341, 4082, 4626, 5652, 6123, 6682, 8164, 9252, 10023, 12246, 13364, 18369, 20046, 24492, 30069, 36738, 40092, 40349, 60138, 73476, 80698, 120276, 121047, 161396, 242094, 363141, 484188, 524537, 726282, 1049074, 1452564, 1573611, 2098148, 3147222, 4720833, 6294444, 9441666, 18883332]

約数ペア:

[(1, 18883332), (2, 9441666), (3, 6294444), (4, 4720833), (6, 3147222), (9, 2098148), (12, 1573611), (13, 1452564), (18, 1049074), (26, 726282), (36, 524537), (39, 484188), (52, 363141), (78, 242094), (117, 161396), (156, 121047), (157, 120276), (234, 80698), (257, 73476), (314, 60138), (468, 40349), (471, 40092), (514, 36738), (628, 30069), (771, 24492), (942, 20046), (1028, 18369), (1413, 13364), (1542, 12246), (1884, 10023), (2041, 9252), (2313, 8164), (2826, 6682), (3084, 6123), (3341, 5652), (4082, 4626)]