18304695

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 33945600

約数和(自身を除く): 15640905

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 79, 95, 171, 237, 271, 285, 395, 711, 813, 855, 1185, 1355, 1501, 2439, 3555, 4065, 4503, 5149, 7505, 12195, 13509, 15447, 21409, 22515, 25745, 46341, 64227, 67545, 77235, 107045, 192681, 231705, 321135, 406771, 963405, 1220313, 2033855, 3660939, 6101565, 18304695]

約数ペア:

[(1, 18304695), (3, 6101565), (5, 3660939), (9, 2033855), (15, 1220313), (19, 963405), (45, 406771), (57, 321135), (79, 231705), (95, 192681), (171, 107045), (237, 77235), (271, 67545), (285, 64227), (395, 46341), (711, 25745), (813, 22515), (855, 21409), (1185, 15447), (1355, 13509), (1501, 12195), (2439, 7505), (3555, 5149), (4065, 4503)]