19393218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 26208702

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 179, 234, 358, 463, 537, 926, 1074, 1389, 1611, 2327, 2778, 3222, 4167, 4654, 6019, 6981, 8334, 12038, 13962, 18057, 20943, 36114, 41886, 54171, 82877, 108342, 165754, 248631, 497262, 745893, 1077401, 1491786, 2154802, 3232203, 6464406, 9696609, 19393218]

約数ペア:

[(1, 19393218), (2, 9696609), (3, 6464406), (6, 3232203), (9, 2154802), (13, 1491786), (18, 1077401), (26, 745893), (39, 497262), (78, 248631), (117, 165754), (179, 108342), (234, 82877), (358, 54171), (463, 41886), (537, 36114), (926, 20943), (1074, 18057), (1389, 13962), (1611, 12038), (2327, 8334), (2778, 6981), (3222, 6019), (4167, 4654)]