18660558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 25755954

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 83, 101, 106, 159, 166, 202, 249, 303, 318, 371, 498, 581, 606, 707, 742, 1113, 1162, 1414, 1743, 2121, 2226, 3486, 4242, 4399, 5353, 8383, 8798, 10706, 13197, 16059, 16766, 25149, 26394, 30793, 32118, 37471, 50298, 58681, 61586, 74942, 92379, 112413, 117362, 176043, 184758, 224826, 352086, 444299, 888598, 1332897, 2665794, 3110093, 6220186, 9330279, 18660558]

約数ペア:

[(1, 18660558), (2, 9330279), (3, 6220186), (6, 3110093), (7, 2665794), (14, 1332897), (21, 888598), (42, 444299), (53, 352086), (83, 224826), (101, 184758), (106, 176043), (159, 117362), (166, 112413), (202, 92379), (249, 74942), (303, 61586), (318, 58681), (371, 50298), (498, 37471), (581, 32118), (606, 30793), (707, 26394), (742, 25149), (1113, 16766), (1162, 16059), (1414, 13197), (1743, 10706), (2121, 8798), (2226, 8383), (3486, 5353), (4242, 4399)]