18378225

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1433}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 35563200

約数和(自身を除く): 17184975

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 1433, 2565, 4275, 4299, 7165, 12825, 12897, 21495, 27227, 35825, 38691, 64485, 81681, 107475, 136135, 193455, 245043, 322425, 408405, 680675, 735129, 967275, 1225215, 2042025, 3675645, 6126075, 18378225]

約数ペア:

[(1, 18378225), (3, 6126075), (5, 3675645), (9, 2042025), (15, 1225215), (19, 967275), (25, 735129), (27, 680675), (45, 408405), (57, 322425), (75, 245043), (95, 193455), (135, 136135), (171, 107475), (225, 81681), (285, 64485), (475, 38691), (513, 35825), (675, 27227), (855, 21495), (1425, 12897), (1433, 12825), (2565, 7165), (4275, 4299)]