18964935

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 84

約数和(自身を含む): 38377416

約数和(自身を除く): 19412481

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 81, 99, 121, 129, 135, 165, 215, 243, 297, 363, 387, 405, 473, 495, 605, 645, 729, 891, 1089, 1161, 1215, 1419, 1485, 1815, 1935, 2365, 2673, 3267, 3483, 3645, 4257, 4455, 5203, 5445, 5805, 7095, 8019, 9801, 10449, 12771, 13365, 15609, 16335, 17415, 21285, 26015, 29403, 31347, 38313, 40095, 46827, 49005, 52245, 63855, 78045, 88209, 114939, 140481, 147015, 156735, 191565, 234135, 344817, 421443, 441045, 574695, 702405, 1264329, 1724085, 2107215, 3792987, 6321645, 18964935]

約数ペア:

[(1, 18964935), (3, 6321645), (5, 3792987), (9, 2107215), (11, 1724085), (15, 1264329), (27, 702405), (33, 574695), (43, 441045), (45, 421443), (55, 344817), (81, 234135), (99, 191565), (121, 156735), (129, 147015), (135, 140481), (165, 114939), (215, 88209), (243, 78045), (297, 63855), (363, 52245), (387, 49005), (405, 46827), (473, 40095), (495, 38313), (605, 31347), (645, 29403), (729, 26015), (891, 21285), (1089, 17415), (1161, 16335), (1215, 15609), (1419, 13365), (1485, 12771), (1815, 10449), (1935, 9801), (2365, 8019), (2673, 7095), (3267, 5805), (3483, 5445), (3645, 5203), (4257, 4455)]