19784187654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{159193}}^1$

素因数の和:159485

約数の個数: 64

約数和(自身を含む): 49515701760

約数和(自身を除く): 29731514106

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 269, 462, 538, 807, 1614, 1883, 2959, 3766, 5649, 5918, 8877, 11298, 17754, 20713, 41426, 62139, 124278, 159193, 318386, 477579, 955158, 1114351, 1751123, 2228702, 3343053, 3502246, 5253369, 6686106, 10506738, 12257861, 24515722, 36773583, 42822917, 73547166, 85645834, 128468751, 256937502, 299760419, 471052087, 599520838, 899281257, 942104174, 1413156261, 1798562514, 2826312522, 3297364609, 6594729218, 9892093827, 19784187654]

約数ペア:

[(1, 19784187654), (2, 9892093827), (3, 6594729218), (6, 3297364609), (7, 2826312522), (11, 1798562514), (14, 1413156261), (21, 942104174), (22, 899281257), (33, 599520838), (42, 471052087), (66, 299760419), (77, 256937502), (154, 128468751), (231, 85645834), (269, 73547166), (462, 42822917), (538, 36773583), (807, 24515722), (1614, 12257861), (1883, 10506738), (2959, 6686106), (3766, 5253369), (5649, 3502246), (5918, 3343053), (8877, 2228702), (11298, 1751123), (17754, 1114351), (20713, 955158), (41426, 477579), (62139, 318386), (124278, 159193)]