19487988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41641}}^1$

素因数の和:41664

約数の個数: 36

約数和(自身を含む): 53051908

約数和(自身を除く): 33563920

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 41641, 83282, 124923, 166564, 249846, 374769, 499692, 541333, 749538, 1082666, 1499076, 1623999, 2165332, 3247998, 4871997, 6495996, 9743994, 19487988]

約数ペア:

[(1, 19487988), (2, 9743994), (3, 6495996), (4, 4871997), (6, 3247998), (9, 2165332), (12, 1623999), (13, 1499076), (18, 1082666), (26, 749538), (36, 541333), (39, 499692), (52, 374769), (78, 249846), (117, 166564), (156, 124923), (234, 83282), (468, 41641)]