19190475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^2$

素因数の和:169

約数の個数: 54

約数和(自身を含む): 36729420

約数和(自身を除く): 17538945

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 67, 75, 95, 171, 201, 225, 285, 335, 475, 603, 855, 1005, 1273, 1425, 1675, 3015, 3819, 4275, 4489, 5025, 6365, 11457, 13467, 15075, 19095, 22445, 31825, 40401, 57285, 67335, 85291, 95475, 112225, 202005, 255873, 286425, 336675, 426455, 767619, 1010025, 1279365, 2132275, 3838095, 6396825, 19190475]

約数ペア:

[(1, 19190475), (3, 6396825), (5, 3838095), (9, 2132275), (15, 1279365), (19, 1010025), (25, 767619), (45, 426455), (57, 336675), (67, 286425), (75, 255873), (95, 202005), (171, 112225), (201, 95475), (225, 85291), (285, 67335), (335, 57285), (475, 40401), (603, 31825), (855, 22445), (1005, 19095), (1273, 15075), (1425, 13467), (1675, 11457), (3015, 6365), (3819, 5025), (4275, 4489)]