19281890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 16643230

約数列:

[1, 2, 5, 10, 41, 82, 131, 205, 262, 359, 410, 655, 718, 1310, 1795, 3590, 5371, 10742, 14719, 26855, 29438, 47029, 53710, 73595, 94058, 147190, 235145, 470290, 1928189, 3856378, 9640945, 19281890]

約数ペア:

[(1, 19281890), (2, 9640945), (5, 3856378), (10, 1928189), (41, 470290), (82, 235145), (131, 147190), (205, 94058), (262, 73595), (359, 53710), (410, 47029), (655, 29438), (718, 26855), (1310, 14719), (1795, 10742), (3590, 5371)]