18856530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:941

約数の個数: 128

約数和(自身を含む): 62760960

約数和(自身を除く): 43904430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 135, 154, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 462, 495, 594, 630, 693, 770, 907, 945, 990, 1155, 1386, 1485, 1814, 1890, 2079, 2310, 2721, 2970, 3465, 4158, 4535, 5442, 6349, 6930, 8163, 9070, 9977, 10395, 12698, 13605, 16326, 19047, 19954, 20790, 24489, 27210, 29931, 31745, 38094, 40815, 48978, 49885, 57141, 59862, 63490, 69839, 81630, 89793, 95235, 99770, 114282, 122445, 139678, 149655, 171423, 179586, 190470, 209517, 244890, 269379, 285705, 299310, 342846, 349195, 419034, 448965, 538758, 571410, 628551, 698390, 857115, 897930, 1047585, 1257102, 1346895, 1714230, 1885653, 2095170, 2693790, 3142755, 3771306, 6285510, 9428265, 18856530]

約数ペア:

[(1, 18856530), (2, 9428265), (3, 6285510), (5, 3771306), (6, 3142755), (7, 2693790), (9, 2095170), (10, 1885653), (11, 1714230), (14, 1346895), (15, 1257102), (18, 1047585), (21, 897930), (22, 857115), (27, 698390), (30, 628551), (33, 571410), (35, 538758), (42, 448965), (45, 419034), (54, 349195), (55, 342846), (63, 299310), (66, 285705), (70, 269379), (77, 244890), (90, 209517), (99, 190470), (105, 179586), (110, 171423), (126, 149655), (135, 139678), (154, 122445), (165, 114282), (189, 99770), (198, 95235), (210, 89793), (231, 81630), (270, 69839), (297, 63490), (315, 59862), (330, 57141), (378, 49885), (385, 48978), (462, 40815), (495, 38094), (594, 31745), (630, 29931), (693, 27210), (770, 24489), (907, 20790), (945, 19954), (990, 19047), (1155, 16326), (1386, 13605), (1485, 12698), (1814, 10395), (1890, 9977), (2079, 9070), (2310, 8163), (2721, 6930), (2970, 6349), (3465, 5442), (4158, 4535)]