20171906859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{39181}}^1$

素因数の和:39547

約数の個数: 32

約数和(自身を含む): 29735689984

約数和(自身を除く): 9563783125

約数列:

[1, 3, 13, 39, 43, 129, 307, 559, 921, 1677, 3991, 11973, 13201, 39181, 39603, 117543, 171613, 509353, 514839, 1528059, 1684783, 5054349, 12028567, 21902179, 36085701, 65706537, 156371371, 469114113, 517228381, 1551685143, 6723968953, 20171906859]

約数ペア:

[(1, 20171906859), (3, 6723968953), (13, 1551685143), (39, 517228381), (43, 469114113), (129, 156371371), (307, 65706537), (559, 36085701), (921, 21902179), (1677, 12028567), (3991, 5054349), (11973, 1684783), (13201, 1528059), (39181, 514839), (39603, 509353), (117543, 171613)]