19405638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 48331296

約数和(自身を除く): 28925658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 661, 699, 1322, 1398, 1631, 1983, 2097, 3262, 3966, 4194, 4627, 4893, 5949, 9254, 9786, 11898, 13881, 14679, 27762, 29358, 41643, 83286, 154013, 308026, 462039, 924078, 1078091, 1386117, 2156182, 2772234, 3234273, 6468546, 9702819, 19405638]

約数ペア:

[(1, 19405638), (2, 9702819), (3, 6468546), (6, 3234273), (7, 2772234), (9, 2156182), (14, 1386117), (18, 1078091), (21, 924078), (42, 462039), (63, 308026), (126, 154013), (233, 83286), (466, 41643), (661, 29358), (699, 27762), (1322, 14679), (1398, 13881), (1631, 11898), (1983, 9786), (2097, 9254), (3262, 5949), (3966, 4893), (4194, 4627)]