20194758

素因数分解:

$2^1\times 3^{12}\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 52

約数和(自身を含む): 47829660

約数和(自身を除く): 27634902

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 729, 1026, 1458, 1539, 2187, 3078, 4374, 4617, 6561, 9234, 13122, 13851, 19683, 27702, 39366, 41553, 59049, 83106, 118098, 124659, 177147, 249318, 354294, 373977, 531441, 747954, 1062882, 1121931, 2243862, 3365793, 6731586, 10097379, 20194758]

約数ペア:

[(1, 20194758), (2, 10097379), (3, 6731586), (6, 3365793), (9, 2243862), (18, 1121931), (19, 1062882), (27, 747954), (38, 531441), (54, 373977), (57, 354294), (81, 249318), (114, 177147), (162, 124659), (171, 118098), (243, 83106), (342, 59049), (486, 41553), (513, 39366), (729, 27702), (1026, 19683), (1458, 13851), (1539, 13122), (2187, 9234), (3078, 6561), (4374, 4617)]