18912726

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:586

約数の個数: 72

約数和(自身を含む): 48923784

約数和(自身を除く): 30011058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 523, 574, 738, 861, 882, 1046, 1569, 1722, 2009, 2583, 3138, 3661, 4018, 4707, 5166, 6027, 7322, 9414, 10983, 12054, 18081, 21443, 21966, 25627, 32949, 36162, 42886, 51254, 64329, 65898, 76881, 128658, 150101, 153762, 192987, 230643, 300202, 385974, 450303, 461286, 900606, 1050707, 1350909, 2101414, 2701818, 3152121, 6304242, 9456363, 18912726]

約数ペア:

[(1, 18912726), (2, 9456363), (3, 6304242), (6, 3152121), (7, 2701818), (9, 2101414), (14, 1350909), (18, 1050707), (21, 900606), (41, 461286), (42, 450303), (49, 385974), (63, 300202), (82, 230643), (98, 192987), (123, 153762), (126, 150101), (147, 128658), (246, 76881), (287, 65898), (294, 64329), (369, 51254), (441, 42886), (523, 36162), (574, 32949), (738, 25627), (861, 21966), (882, 21443), (1046, 18081), (1569, 12054), (1722, 10983), (2009, 9414), (2583, 7322), (3138, 6027), (3661, 5166), (4018, 4707)]