19550816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 41341104

約数和(自身を除く): 21790288

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 83, 136, 166, 272, 332, 433, 544, 664, 866, 1328, 1411, 1732, 2656, 2822, 3464, 5644, 6928, 7361, 11288, 13856, 14722, 22576, 29444, 35939, 45152, 58888, 71878, 117776, 143756, 235552, 287512, 575024, 610963, 1150048, 1221926, 2443852, 4887704, 9775408, 19550816]

約数ペア:

[(1, 19550816), (2, 9775408), (4, 4887704), (8, 2443852), (16, 1221926), (17, 1150048), (32, 610963), (34, 575024), (68, 287512), (83, 235552), (136, 143756), (166, 117776), (272, 71878), (332, 58888), (433, 45152), (544, 35939), (664, 29444), (866, 22576), (1328, 14722), (1411, 13856), (1732, 11288), (2656, 7361), (2822, 6928), (3464, 5644)]