40389516

素因数分解:

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

素因数の和:59

約数の個数: 78

約数和(自身を含む): 111602540

約数和(自身を除く): 71213024

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 729, 972, 1026, 1458, 1539, 2052, 2187, 2916, 3078, 4374, 4617, 6156, 6561, 8748, 9234, 13122, 13851, 18468, 19683, 26244, 27702, 39366, 41553, 55404, 59049, 78732, 83106, 118098, 124659, 166212, 177147, 236196, 249318, 354294, 373977, 498636, 531441, 708588, 747954, 1062882, 1121931, 1495908, 2125764, 2243862, 3365793, 4487724, 6731586, 10097379, 13463172, 20194758, 40389516]

約数ペア:

[(1, 40389516), (2, 20194758), (3, 13463172), (4, 10097379), (6, 6731586), (9, 4487724), (12, 3365793), (18, 2243862), (19, 2125764), (27, 1495908), (36, 1121931), (38, 1062882), (54, 747954), (57, 708588), (76, 531441), (81, 498636), (108, 373977), (114, 354294), (162, 249318), (171, 236196), (228, 177147), (243, 166212), (324, 124659), (342, 118098), (486, 83106), (513, 78732), (684, 59049), (729, 55404), (972, 41553), (1026, 39366), (1458, 27702), (1539, 26244), (2052, 19683), (2187, 18468), (2916, 13851), (3078, 13122), (4374, 9234), (4617, 8748), (6156, 6561)]