18376875

素因数分解:

$3^5\times 5^4\times {\mathrm{11}}^2$

素因数の和:57

約数の個数: 90

約数和(自身を含む): 37809772

約数和(自身を除く): 19432897

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 121, 125, 135, 165, 225, 243, 275, 297, 363, 375, 405, 495, 605, 625, 675, 825, 891, 1089, 1125, 1215, 1375, 1485, 1815, 1875, 2025, 2475, 2673, 3025, 3267, 3375, 4125, 4455, 5445, 5625, 6075, 6875, 7425, 9075, 9801, 10125, 12375, 13365, 15125, 16335, 16875, 20625, 22275, 27225, 29403, 30375, 37125, 45375, 49005, 50625, 61875, 66825, 75625, 81675, 111375, 136125, 147015, 151875, 185625, 226875, 245025, 334125, 408375, 556875, 680625, 735075, 1225125, 1670625, 2041875, 3675375, 6125625, 18376875]

約数ペア:

[(1, 18376875), (3, 6125625), (5, 3675375), (9, 2041875), (11, 1670625), (15, 1225125), (25, 735075), (27, 680625), (33, 556875), (45, 408375), (55, 334125), (75, 245025), (81, 226875), (99, 185625), (121, 151875), (125, 147015), (135, 136125), (165, 111375), (225, 81675), (243, 75625), (275, 66825), (297, 61875), (363, 50625), (375, 49005), (405, 45375), (495, 37125), (605, 30375), (625, 29403), (675, 27225), (825, 22275), (891, 20625), (1089, 16875), (1125, 16335), (1215, 15125), (1375, 13365), (1485, 12375), (1815, 10125), (1875, 9801), (2025, 9075), (2475, 7425), (2673, 6875), (3025, 6075), (3267, 5625), (3375, 5445), (4125, 4455)]