18683235

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15462045

約数列:

[1, 3, 5, 9, 15, 31, 45, 59, 93, 155, 177, 227, 279, 295, 465, 531, 681, 885, 1135, 1395, 1829, 2043, 2655, 3405, 5487, 7037, 9145, 10215, 13393, 16461, 21111, 27435, 35185, 40179, 63333, 66965, 82305, 105555, 120537, 200895, 316665, 415183, 602685, 1245549, 2075915, 3736647, 6227745, 18683235]

約数ペア:

[(1, 18683235), (3, 6227745), (5, 3736647), (9, 2075915), (15, 1245549), (31, 602685), (45, 415183), (59, 316665), (93, 200895), (155, 120537), (177, 105555), (227, 82305), (279, 66965), (295, 63333), (465, 40179), (531, 35185), (681, 27435), (885, 21111), (1135, 16461), (1395, 13393), (1829, 10215), (2043, 9145), (2655, 7037), (3405, 5487)]