18711228

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 26769732

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 179, 186, 281, 358, 372, 537, 562, 716, 843, 1074, 1124, 1686, 2148, 3372, 5549, 8711, 11098, 16647, 17422, 22196, 26133, 33294, 34844, 50299, 52266, 66588, 100598, 104532, 150897, 201196, 301794, 603588, 1559269, 3118538, 4677807, 6237076, 9355614, 18711228]

約数ペア:

[(1, 18711228), (2, 9355614), (3, 6237076), (4, 4677807), (6, 3118538), (12, 1559269), (31, 603588), (62, 301794), (93, 201196), (124, 150897), (179, 104532), (186, 100598), (281, 66588), (358, 52266), (372, 50299), (537, 34844), (562, 33294), (716, 26133), (843, 22196), (1074, 17422), (1124, 16647), (1686, 11098), (2148, 8711), (3372, 5549)]