18586940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 42124320

約数和(自身を除く): 23537380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1193, 1558, 2386, 3116, 3895, 4772, 5965, 7790, 11930, 15580, 22667, 23860, 45334, 48913, 90668, 97826, 113335, 195652, 226670, 244565, 453340, 489130, 929347, 978260, 1858694, 3717388, 4646735, 9293470, 18586940]

約数ペア:

[(1, 18586940), (2, 9293470), (4, 4646735), (5, 3717388), (10, 1858694), (19, 978260), (20, 929347), (38, 489130), (41, 453340), (76, 244565), (82, 226670), (95, 195652), (164, 113335), (190, 97826), (205, 90668), (380, 48913), (410, 45334), (779, 23860), (820, 22667), (1193, 15580), (1558, 11930), (2386, 7790), (3116, 5965), (3895, 4772)]