18033858

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 40300416

約数和(自身を除く): 22266558

約数列:

[1, 2, 3, 6, 9, 18, 71, 103, 137, 142, 206, 213, 274, 309, 411, 426, 618, 639, 822, 927, 1233, 1278, 1854, 2466, 7313, 9727, 14111, 14626, 19454, 21939, 28222, 29181, 42333, 43878, 58362, 65817, 84666, 87543, 126999, 131634, 175086, 253998, 1001881, 2003762, 3005643, 6011286, 9016929, 18033858]

約数ペア:

[(1, 18033858), (2, 9016929), (3, 6011286), (6, 3005643), (9, 2003762), (18, 1001881), (71, 253998), (103, 175086), (137, 131634), (142, 126999), (206, 87543), (213, 84666), (274, 65817), (309, 58362), (411, 43878), (426, 42333), (618, 29181), (639, 28222), (822, 21939), (927, 19454), (1233, 14626), (1278, 14111), (1854, 9727), (2466, 7313)]