19627168

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 43939476

約数和(自身を除く): 24312308

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 121, 137, 148, 176, 242, 274, 296, 352, 407, 484, 548, 592, 814, 968, 1096, 1184, 1507, 1628, 1936, 2192, 3014, 3256, 3872, 4384, 4477, 5069, 6028, 6512, 8954, 10138, 12056, 13024, 16577, 17908, 20276, 24112, 33154, 35816, 40552, 48224, 55759, 66308, 71632, 81104, 111518, 132616, 143264, 162208, 223036, 265232, 446072, 530464, 613349, 892144, 1226698, 1784288, 2453396, 4906792, 9813584, 19627168]

約数ペア:

[(1, 19627168), (2, 9813584), (4, 4906792), (8, 2453396), (11, 1784288), (16, 1226698), (22, 892144), (32, 613349), (37, 530464), (44, 446072), (74, 265232), (88, 223036), (121, 162208), (137, 143264), (148, 132616), (176, 111518), (242, 81104), (274, 71632), (296, 66308), (352, 55759), (407, 48224), (484, 40552), (548, 35816), (592, 33154), (814, 24112), (968, 20276), (1096, 17908), (1184, 16577), (1507, 13024), (1628, 12056), (1936, 10138), (2192, 8954), (3014, 6512), (3256, 6028), (3872, 5069), (4384, 4477)]