18438345

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 15257655

約数列:

[1, 3, 5, 9, 15, 29, 45, 71, 87, 145, 199, 213, 261, 355, 435, 597, 639, 995, 1065, 1305, 1791, 2059, 2985, 3195, 5771, 6177, 8955, 10295, 14129, 17313, 18531, 28855, 30885, 42387, 51939, 70645, 86565, 92655, 127161, 211935, 259695, 409741, 635805, 1229223, 2048705, 3687669, 6146115, 18438345]

約数ペア:

[(1, 18438345), (3, 6146115), (5, 3687669), (9, 2048705), (15, 1229223), (29, 635805), (45, 409741), (71, 259695), (87, 211935), (145, 127161), (199, 92655), (213, 86565), (261, 70645), (355, 51939), (435, 42387), (597, 30885), (639, 28855), (995, 18531), (1065, 17313), (1305, 14129), (1791, 10295), (2059, 8955), (2985, 6177), (3195, 5771)]