18959630

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 35326368

約数和(自身を除く): 16366738

約数列:

[1, 2, 5, 10, 41, 82, 131, 205, 262, 353, 410, 655, 706, 1310, 1765, 3530, 5371, 10742, 14473, 26855, 28946, 46243, 53710, 72365, 92486, 144730, 231215, 462430, 1895963, 3791926, 9479815, 18959630]

約数ペア:

[(1, 18959630), (2, 9479815), (5, 3791926), (10, 1895963), (41, 462430), (82, 231215), (131, 144730), (205, 92486), (262, 72365), (353, 53710), (410, 46243), (655, 28946), (706, 26855), (1310, 14473), (1765, 10742), (3530, 5371)]