2013019695

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{261601}}^1$

素因数の和:261637

約数の個数: 40

約数和(自身を含む): 3798461040

約数和(自身を除く): 1785441345

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 261601, 784803, 1308005, 2354409, 3924015, 4970419, 7063227, 11772045, 14911257, 21189681, 24852095, 35316135, 44733771, 74556285, 105948405, 134201313, 223668855, 402603939, 671006565, 2013019695]

約数ペア:

[(1, 2013019695), (3, 671006565), (5, 402603939), (9, 223668855), (15, 134201313), (19, 105948405), (27, 74556285), (45, 44733771), (57, 35316135), (81, 24852095), (95, 21189681), (135, 14911257), (171, 11772045), (285, 7063227), (405, 4970419), (513, 3924015), (855, 2354409), (1539, 1308005), (2565, 784803), (7695, 261601)]