18072990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 36762210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 271, 285, 342, 351, 390, 494, 513, 542, 570, 585, 702, 741, 813, 855, 1026, 1170, 1235, 1355, 1482, 1626, 1710, 1755, 2223, 2439, 2470, 2565, 2710, 3510, 3523, 3705, 4065, 4446, 4878, 5130, 5149, 6669, 7046, 7317, 7410, 8130, 10298, 10569, 11115, 12195, 13338, 14634, 15447, 17615, 21138, 22230, 24390, 25745, 30894, 31707, 33345, 35230, 36585, 46341, 51490, 52845, 63414, 66690, 66937, 73170, 77235, 92682, 95121, 105690, 133874, 139023, 154470, 158535, 190242, 200811, 231705, 278046, 317070, 334685, 401622, 463410, 475605, 602433, 669370, 695115, 951210, 1004055, 1204866, 1390230, 1807299, 2008110, 3012165, 3614598, 6024330, 9036495, 18072990]

約数ペア:

[(1, 18072990), (2, 9036495), (3, 6024330), (5, 3614598), (6, 3012165), (9, 2008110), (10, 1807299), (13, 1390230), (15, 1204866), (18, 1004055), (19, 951210), (26, 695115), (27, 669370), (30, 602433), (38, 475605), (39, 463410), (45, 401622), (54, 334685), (57, 317070), (65, 278046), (78, 231705), (90, 200811), (95, 190242), (114, 158535), (117, 154470), (130, 139023), (135, 133874), (171, 105690), (190, 95121), (195, 92682), (234, 77235), (247, 73170), (270, 66937), (271, 66690), (285, 63414), (342, 52845), (351, 51490), (390, 46341), (494, 36585), (513, 35230), (542, 33345), (570, 31707), (585, 30894), (702, 25745), (741, 24390), (813, 22230), (855, 21138), (1026, 17615), (1170, 15447), (1235, 14634), (1355, 13338), (1482, 12195), (1626, 11115), (1710, 10569), (1755, 10298), (2223, 8130), (2439, 7410), (2470, 7317), (2565, 7046), (2710, 6669), (3510, 5149), (3523, 5130), (3705, 4878), (4065, 4446)]