19750060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25972820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 839, 1070, 1177, 1678, 2140, 2354, 3356, 4195, 4708, 5885, 8390, 9229, 11770, 16780, 18458, 23540, 36916, 46145, 89773, 92290, 179546, 184580, 359092, 448865, 897730, 987503, 1795460, 1975006, 3950012, 4937515, 9875030, 19750060]

約数ペア:

[(1, 19750060), (2, 9875030), (4, 4937515), (5, 3950012), (10, 1975006), (11, 1795460), (20, 987503), (22, 897730), (44, 448865), (55, 359092), (107, 184580), (110, 179546), (214, 92290), (220, 89773), (428, 46145), (535, 36916), (839, 23540), (1070, 18458), (1177, 16780), (1678, 11770), (2140, 9229), (2354, 8390), (3356, 5885), (4195, 4708)]