19718952

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 54336960

約数和(自身を除く): 34618008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 113, 132, 226, 264, 339, 452, 661, 678, 904, 1243, 1322, 1356, 1983, 2486, 2644, 2712, 3729, 3966, 4972, 5288, 7271, 7458, 7932, 9944, 14542, 14916, 15864, 21813, 29084, 29832, 43626, 58168, 74693, 87252, 149386, 174504, 224079, 298772, 448158, 597544, 821623, 896316, 1643246, 1792632, 2464869, 3286492, 4929738, 6572984, 9859476, 19718952]

約数ペア:

[(1, 19718952), (2, 9859476), (3, 6572984), (4, 4929738), (6, 3286492), (8, 2464869), (11, 1792632), (12, 1643246), (22, 896316), (24, 821623), (33, 597544), (44, 448158), (66, 298772), (88, 224079), (113, 174504), (132, 149386), (226, 87252), (264, 74693), (339, 58168), (452, 43626), (661, 29832), (678, 29084), (904, 21813), (1243, 15864), (1322, 14916), (1356, 14542), (1983, 9944), (2486, 7932), (2644, 7458), (2712, 7271), (3729, 5288), (3966, 4972)]