18431490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 37970430

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 79, 101, 105, 110, 154, 158, 165, 202, 210, 231, 237, 303, 330, 385, 395, 462, 474, 505, 553, 606, 707, 770, 790, 869, 1010, 1106, 1111, 1155, 1185, 1414, 1515, 1659, 1738, 2121, 2222, 2310, 2370, 2607, 2765, 3030, 3318, 3333, 3535, 4242, 4345, 5214, 5530, 5555, 6083, 6666, 7070, 7777, 7979, 8295, 8690, 10605, 11110, 12166, 13035, 15554, 15958, 16590, 16665, 18249, 21210, 23331, 23937, 26070, 30415, 33330, 36498, 38885, 39895, 46662, 47874, 55853, 60830, 77770, 79790, 87769, 91245, 111706, 116655, 119685, 167559, 175538, 182490, 233310, 239370, 263307, 279265, 335118, 438845, 526614, 558530, 614383, 837795, 877690, 1228766, 1316535, 1675590, 1843149, 2633070, 3071915, 3686298, 6143830, 9215745, 18431490]

約数ペア:

[(1, 18431490), (2, 9215745), (3, 6143830), (5, 3686298), (6, 3071915), (7, 2633070), (10, 1843149), (11, 1675590), (14, 1316535), (15, 1228766), (21, 877690), (22, 837795), (30, 614383), (33, 558530), (35, 526614), (42, 438845), (55, 335118), (66, 279265), (70, 263307), (77, 239370), (79, 233310), (101, 182490), (105, 175538), (110, 167559), (154, 119685), (158, 116655), (165, 111706), (202, 91245), (210, 87769), (231, 79790), (237, 77770), (303, 60830), (330, 55853), (385, 47874), (395, 46662), (462, 39895), (474, 38885), (505, 36498), (553, 33330), (606, 30415), (707, 26070), (770, 23937), (790, 23331), (869, 21210), (1010, 18249), (1106, 16665), (1111, 16590), (1155, 15958), (1185, 15554), (1414, 13035), (1515, 12166), (1659, 11110), (1738, 10605), (2121, 8690), (2222, 8295), (2310, 7979), (2370, 7777), (2607, 7070), (2765, 6666), (3030, 6083), (3318, 5555), (3333, 5530), (3535, 5214), (4242, 4345)]