18955716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^3\times {\mathrm{719}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 47980800

約数和(自身を除く): 29025084

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 719, 1014, 1438, 2028, 2157, 2197, 2876, 4314, 4394, 6591, 8628, 8788, 9347, 13182, 18694, 26364, 28041, 37388, 56082, 112164, 121511, 243022, 364533, 486044, 729066, 1458132, 1579643, 3159286, 4738929, 6318572, 9477858, 18955716]

約数ペア:

[(1, 18955716), (2, 9477858), (3, 6318572), (4, 4738929), (6, 3159286), (12, 1579643), (13, 1458132), (26, 729066), (39, 486044), (52, 364533), (78, 243022), (156, 121511), (169, 112164), (338, 56082), (507, 37388), (676, 28041), (719, 26364), (1014, 18694), (1438, 13182), (2028, 9347), (2157, 8788), (2197, 8628), (2876, 6591), (4314, 4394)]