19462025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 29248128

約数和(自身を除く): 9786103

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 181, 187, 253, 275, 391, 425, 575, 905, 935, 1265, 1955, 1991, 3077, 4163, 4301, 4525, 4675, 6325, 9775, 9955, 15385, 20815, 21505, 33847, 45793, 49775, 70771, 76925, 104075, 107525, 169235, 228965, 353855, 778481, 846175, 1144825, 1769275, 3892405, 19462025]

約数ペア:

[(1, 19462025), (5, 3892405), (11, 1769275), (17, 1144825), (23, 846175), (25, 778481), (55, 353855), (85, 228965), (115, 169235), (181, 107525), (187, 104075), (253, 76925), (275, 70771), (391, 49775), (425, 45793), (575, 33847), (905, 21505), (935, 20815), (1265, 15385), (1955, 9955), (1991, 9775), (3077, 6325), (4163, 4675), (4301, 4525)]