18648189

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 32572800

約数和(自身を除く): 13924611

約数列:

[1, 3, 7, 9, 21, 29, 59, 63, 87, 173, 177, 203, 261, 413, 519, 531, 609, 1211, 1239, 1557, 1711, 1827, 3633, 3717, 5017, 5133, 10207, 10899, 11977, 15051, 15399, 30621, 35119, 35931, 45153, 71449, 91863, 105357, 107793, 214347, 296003, 316071, 643041, 888009, 2072021, 2664027, 6216063, 18648189]

約数ペア:

[(1, 18648189), (3, 6216063), (7, 2664027), (9, 2072021), (21, 888009), (29, 643041), (59, 316071), (63, 296003), (87, 214347), (173, 107793), (177, 105357), (203, 91863), (261, 71449), (413, 45153), (519, 35931), (531, 35119), (609, 30621), (1211, 15399), (1239, 15051), (1557, 11977), (1711, 10899), (1827, 10207), (3633, 5133), (3717, 5017)]