19386220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2347}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 47335680

約数和(自身を除く): 27949460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2347, 4130, 4694, 8260, 9388, 11735, 16429, 23470, 32858, 46940, 65716, 82145, 138473, 164290, 276946, 328580, 553892, 692365, 969311, 1384730, 1938622, 2769460, 3877244, 4846555, 9693110, 19386220]

約数ペア:

[(1, 19386220), (2, 9693110), (4, 4846555), (5, 3877244), (7, 2769460), (10, 1938622), (14, 1384730), (20, 969311), (28, 692365), (35, 553892), (59, 328580), (70, 276946), (118, 164290), (140, 138473), (236, 82145), (295, 65716), (413, 46940), (590, 32858), (826, 23470), (1180, 16429), (1652, 11735), (2065, 9388), (2347, 8260), (4130, 4694)]