18947552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1291

約数の個数: 48

約数和(自身を含む): 41291712

約数和(自身を除く): 22344160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1231, 1924, 2462, 3848, 4924, 7696, 9848, 15392, 16003, 19696, 32006, 39392, 45547, 64012, 91094, 128024, 182188, 256048, 364376, 512096, 592111, 728752, 1184222, 1457504, 2368444, 4736888, 9473776, 18947552]

約数ペア:

[(1, 18947552), (2, 9473776), (4, 4736888), (8, 2368444), (13, 1457504), (16, 1184222), (26, 728752), (32, 592111), (37, 512096), (52, 364376), (74, 256048), (104, 182188), (148, 128024), (208, 91094), (296, 64012), (416, 45547), (481, 39392), (592, 32006), (962, 19696), (1184, 16003), (1231, 15392), (1924, 9848), (2462, 7696), (3848, 4924)]