1806998230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 3530589120

約数和(自身を除く): 1723590890

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 401, 641, 703, 802, 1282, 1406, 2005, 3205, 3515, 4010, 6410, 7030, 7619, 12179, 14837, 15238, 23717, 24358, 29674, 38095, 47434, 60895, 74185, 76190, 118585, 121790, 148370, 237170, 257041, 281903, 450623, 514082, 563806, 901246, 1285205, 1409515, 2253115, 2570410, 2819030, 4506230, 4883779, 9510517, 9767558, 19021034, 24418895, 47552585, 48837790, 95105170, 180699823, 361399646, 903499115, 1806998230]

約数ペア:

[(1, 1806998230), (2, 903499115), (5, 361399646), (10, 180699823), (19, 95105170), (37, 48837790), (38, 47552585), (74, 24418895), (95, 19021034), (185, 9767558), (190, 9510517), (370, 4883779), (401, 4506230), (641, 2819030), (703, 2570410), (802, 2253115), (1282, 1409515), (1406, 1285205), (2005, 901246), (3205, 563806), (3515, 514082), (4010, 450623), (6410, 281903), (7030, 257041), (7619, 237170), (12179, 148370), (14837, 121790), (15238, 118585), (23717, 76190), (24358, 74185), (29674, 60895), (38095, 47434)]