18962475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 37735680

約数和(自身を除く): 18773205

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1901, 1995, 3325, 5703, 9505, 9975, 13307, 28515, 36119, 39921, 47525, 66535, 108357, 142575, 180595, 199605, 252833, 332675, 541785, 758499, 902975, 998025, 1264165, 2708925, 3792495, 6320825, 18962475]

約数ペア:

[(1, 18962475), (3, 6320825), (5, 3792495), (7, 2708925), (15, 1264165), (19, 998025), (21, 902975), (25, 758499), (35, 541785), (57, 332675), (75, 252833), (95, 199605), (105, 180595), (133, 142575), (175, 108357), (285, 66535), (399, 47525), (475, 39921), (525, 36119), (665, 28515), (1425, 13307), (1901, 9975), (1995, 9505), (3325, 5703)]