18712134

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:619

約数の個数: 80

約数和(自身を含む): 49658400

約数和(自身を除く): 30946266

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 81, 87, 126, 162, 174, 189, 203, 261, 378, 406, 522, 567, 569, 609, 783, 1134, 1138, 1218, 1566, 1707, 1827, 2349, 3414, 3654, 3983, 4698, 5121, 5481, 7966, 10242, 10962, 11949, 15363, 16443, 16501, 23898, 30726, 32886, 33002, 35847, 46089, 49503, 71694, 92178, 99006, 107541, 115507, 148509, 215082, 231014, 297018, 322623, 346521, 445527, 645246, 693042, 891054, 1039563, 1336581, 2079126, 2673162, 3118689, 6237378, 9356067, 18712134]

約数ペア:

[(1, 18712134), (2, 9356067), (3, 6237378), (6, 3118689), (7, 2673162), (9, 2079126), (14, 1336581), (18, 1039563), (21, 891054), (27, 693042), (29, 645246), (42, 445527), (54, 346521), (58, 322623), (63, 297018), (81, 231014), (87, 215082), (126, 148509), (162, 115507), (174, 107541), (189, 99006), (203, 92178), (261, 71694), (378, 49503), (406, 46089), (522, 35847), (567, 33002), (569, 32886), (609, 30726), (783, 23898), (1134, 16501), (1138, 16443), (1218, 15363), (1566, 11949), (1707, 10962), (1827, 10242), (2349, 7966), (3414, 5481), (3654, 5121), (3983, 4698)]