1920139905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 3294720000

約数和(自身を除く): 1374580095

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 149, 285, 309, 439, 447, 515, 745, 1317, 1545, 1957, 2195, 2235, 2831, 5871, 6585, 8341, 8493, 9785, 14155, 15347, 25023, 29355, 41705, 42465, 45217, 46041, 65411, 76735, 125115, 135651, 196233, 226085, 230205, 291593, 327055, 678255, 859123, 874779, 981165, 1242809, 1457965, 2577369, 3728427, 4295615, 4373895, 6214045, 6737333, 12886845, 18642135, 20211999, 33686665, 101059995, 128009327, 384027981, 640046635, 1920139905]

約数ペア:

[(1, 1920139905), (3, 640046635), (5, 384027981), (15, 128009327), (19, 101059995), (57, 33686665), (95, 20211999), (103, 18642135), (149, 12886845), (285, 6737333), (309, 6214045), (439, 4373895), (447, 4295615), (515, 3728427), (745, 2577369), (1317, 1457965), (1545, 1242809), (1957, 981165), (2195, 874779), (2235, 859123), (2831, 678255), (5871, 327055), (6585, 291593), (8341, 230205), (8493, 226085), (9785, 196233), (14155, 135651), (15347, 125115), (25023, 76735), (29355, 65411), (41705, 46041), (42465, 45217)]