19893972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5039}}^1$

素因数の和:5100

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 34296108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5039, 10078, 15117, 20156, 30234, 35273, 60468, 70546, 105819, 141092, 211638, 236833, 423276, 473666, 710499, 947332, 1420998, 1657831, 2841996, 3315662, 4973493, 6631324, 9946986, 19893972]

約数ペア:

[(1, 19893972), (2, 9946986), (3, 6631324), (4, 4973493), (6, 3315662), (7, 2841996), (12, 1657831), (14, 1420998), (21, 947332), (28, 710499), (42, 473666), (47, 423276), (84, 236833), (94, 211638), (141, 141092), (188, 105819), (282, 70546), (329, 60468), (564, 35273), (658, 30234), (987, 20156), (1316, 15117), (1974, 10078), (3948, 5039)]