19743948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1731

約数の個数: 72

約数和(自身を含む): 58286592

約数和(自身を除く): 38542644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1667, 1692, 1974, 2961, 3334, 3948, 5001, 5922, 6668, 10002, 11669, 11844, 15003, 20004, 23338, 30006, 35007, 46676, 60012, 70014, 78349, 105021, 140028, 156698, 210042, 235047, 313396, 420084, 470094, 548443, 705141, 940188, 1096886, 1410282, 1645329, 2193772, 2820564, 3290658, 4935987, 6581316, 9871974, 19743948]

約数ペア:

[(1, 19743948), (2, 9871974), (3, 6581316), (4, 4935987), (6, 3290658), (7, 2820564), (9, 2193772), (12, 1645329), (14, 1410282), (18, 1096886), (21, 940188), (28, 705141), (36, 548443), (42, 470094), (47, 420084), (63, 313396), (84, 235047), (94, 210042), (126, 156698), (141, 140028), (188, 105021), (252, 78349), (282, 70014), (329, 60012), (423, 46676), (564, 35007), (658, 30006), (846, 23338), (987, 20004), (1316, 15003), (1667, 11844), (1692, 11669), (1974, 10002), (2961, 6668), (3334, 5922), (3948, 5001)]