19992525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 38223744

約数和(自身を除く): 18231219

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 113, 175, 337, 339, 525, 565, 791, 1011, 1685, 1695, 2359, 2373, 2825, 3955, 5055, 7077, 8425, 8475, 11795, 11865, 19775, 25275, 35385, 38081, 58975, 59325, 114243, 176925, 190405, 266567, 571215, 799701, 952025, 1332835, 2856075, 3998505, 6664175, 19992525]

約数ペア:

[(1, 19992525), (3, 6664175), (5, 3998505), (7, 2856075), (15, 1332835), (21, 952025), (25, 799701), (35, 571215), (75, 266567), (105, 190405), (113, 176925), (175, 114243), (337, 59325), (339, 58975), (525, 38081), (565, 35385), (791, 25275), (1011, 19775), (1685, 11865), (1695, 11795), (2359, 8475), (2373, 8425), (2825, 7077), (3955, 5055)]