16018425

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 31000000

約数和(自身を除く): 14981575

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1249, 1425, 2565, 3747, 4275, 6245, 11241, 12825, 18735, 23731, 31225, 33723, 56205, 71193, 93675, 118655, 168615, 213579, 281025, 355965, 593275, 640737, 843075, 1067895, 1779825, 3203685, 5339475, 16018425]

約数ペア:

[(1, 16018425), (3, 5339475), (5, 3203685), (9, 1779825), (15, 1067895), (19, 843075), (25, 640737), (27, 593275), (45, 355965), (57, 281025), (75, 213579), (95, 168615), (135, 118655), (171, 93675), (225, 71193), (285, 56205), (475, 33723), (513, 31225), (675, 23731), (855, 18735), (1249, 12825), (1425, 11241), (2565, 6245), (3747, 4275)]