19742646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 49729536

約数和(自身を除く): 29986890

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 151, 154, 231, 283, 302, 453, 462, 566, 849, 906, 1057, 1661, 1698, 1981, 2114, 3113, 3171, 3322, 3962, 4983, 5943, 6226, 6342, 9339, 9966, 11627, 11886, 18678, 21791, 23254, 34881, 42733, 43582, 65373, 69762, 85466, 128199, 130746, 256398, 299131, 470063, 598262, 897393, 940126, 1410189, 1794786, 2820378, 3290441, 6580882, 9871323, 19742646]

約数ペア:

[(1, 19742646), (2, 9871323), (3, 6580882), (6, 3290441), (7, 2820378), (11, 1794786), (14, 1410189), (21, 940126), (22, 897393), (33, 598262), (42, 470063), (66, 299131), (77, 256398), (151, 130746), (154, 128199), (231, 85466), (283, 69762), (302, 65373), (453, 43582), (462, 42733), (566, 34881), (849, 23254), (906, 21791), (1057, 18678), (1661, 11886), (1698, 11627), (1981, 9966), (2114, 9339), (3113, 6342), (3171, 6226), (3322, 5943), (3962, 4983)]