19649968156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1316669}}^1$

素因数の和:1316734

約数の個数: 48

約数和(自身を含む): 43355309760

約数和(自身を除く): 23705341604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 1316669, 2633338, 5266676, 9216683, 17116697, 18433366, 34233394, 36866732, 53983429, 68466788, 107966858, 119816879, 215933716, 239633758, 377884003, 479267516, 701784577, 755768006, 1403569154, 1511536012, 2807138308, 4912492039, 9824984078, 19649968156]

約数ペア:

[(1, 19649968156), (2, 9824984078), (4, 4912492039), (7, 2807138308), (13, 1511536012), (14, 1403569154), (26, 755768006), (28, 701784577), (41, 479267516), (52, 377884003), (82, 239633758), (91, 215933716), (164, 119816879), (182, 107966858), (287, 68466788), (364, 53983429), (533, 36866732), (574, 34233394), (1066, 18433366), (1148, 17116697), (2132, 9216683), (3731, 5266676), (7462, 2633338), (14924, 1316669)]