19970958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 47628288

約数和(自身を除く): 27657330

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 67, 94, 134, 141, 151, 201, 282, 302, 329, 402, 453, 469, 658, 906, 938, 987, 1057, 1407, 1974, 2114, 2814, 3149, 3171, 6298, 6342, 7097, 9447, 10117, 14194, 18894, 20234, 21291, 22043, 30351, 42582, 44086, 49679, 60702, 66129, 70819, 99358, 132258, 141638, 149037, 212457, 298074, 424914, 475499, 950998, 1426497, 2852994, 3328493, 6656986, 9985479, 19970958]

約数ペア:

[(1, 19970958), (2, 9985479), (3, 6656986), (6, 3328493), (7, 2852994), (14, 1426497), (21, 950998), (42, 475499), (47, 424914), (67, 298074), (94, 212457), (134, 149037), (141, 141638), (151, 132258), (201, 99358), (282, 70819), (302, 66129), (329, 60702), (402, 49679), (453, 44086), (469, 42582), (658, 30351), (906, 22043), (938, 21291), (987, 20234), (1057, 18894), (1407, 14194), (1974, 10117), (2114, 9447), (2814, 7097), (3149, 6342), (3171, 6298)]