19743290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 44043264

約数和(自身を除く): 24299974

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 47, 70, 85, 94, 119, 170, 235, 238, 329, 353, 470, 595, 658, 706, 799, 1190, 1598, 1645, 1765, 2471, 3290, 3530, 3995, 4942, 5593, 6001, 7990, 11186, 12002, 12355, 16591, 24710, 27965, 30005, 33182, 42007, 55930, 60010, 82955, 84014, 116137, 165910, 210035, 232274, 282047, 420070, 564094, 580685, 1161370, 1410235, 1974329, 2820470, 3948658, 9871645, 19743290]

約数ペア:

[(1, 19743290), (2, 9871645), (5, 3948658), (7, 2820470), (10, 1974329), (14, 1410235), (17, 1161370), (34, 580685), (35, 564094), (47, 420070), (70, 282047), (85, 232274), (94, 210035), (119, 165910), (170, 116137), (235, 84014), (238, 82955), (329, 60010), (353, 55930), (470, 42007), (595, 33182), (658, 30005), (706, 27965), (799, 24710), (1190, 16591), (1598, 12355), (1645, 12002), (1765, 11186), (2471, 7990), (3290, 6001), (3530, 5593), (3995, 4942)]