18442485

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 34017984

約数和(自身を除く): 15575499

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 353, 387, 405, 645, 1059, 1161, 1215, 1765, 1935, 3177, 3483, 5295, 5805, 9531, 10449, 15179, 15885, 17415, 28593, 45537, 47655, 52245, 75895, 85779, 136611, 142965, 227685, 409833, 428895, 683055, 1229499, 2049165, 3688497, 6147495, 18442485]

約数ペア:

[(1, 18442485), (3, 6147495), (5, 3688497), (9, 2049165), (15, 1229499), (27, 683055), (43, 428895), (45, 409833), (81, 227685), (129, 142965), (135, 136611), (215, 85779), (243, 75895), (353, 52245), (387, 47655), (405, 45537), (645, 28593), (1059, 17415), (1161, 15885), (1215, 15179), (1765, 10449), (1935, 9531), (3177, 5805), (3483, 5295)]