18685758

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4921

約数の個数: 48

約数和(自身を含む): 46826640

約数和(自身を除く): 28140882

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 4889, 9778, 14667, 29334, 34223, 63557, 68446, 102669, 127114, 190671, 205338, 239561, 381342, 444899, 479122, 718683, 889798, 1334697, 1437366, 2669394, 3114293, 6228586, 9342879, 18685758]

約数ペア:

[(1, 18685758), (2, 9342879), (3, 6228586), (6, 3114293), (7, 2669394), (13, 1437366), (14, 1334697), (21, 889798), (26, 718683), (39, 479122), (42, 444899), (49, 381342), (78, 239561), (91, 205338), (98, 190671), (147, 127114), (182, 102669), (273, 68446), (294, 63557), (546, 34223), (637, 29334), (1274, 14667), (1911, 9778), (3822, 4889)]