18806515210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1\times {\mathrm{2393}}^1$

素因数の和:2756

約数の個数: 96

約数和(自身を含む): 40979457792

約数和(自身を除く): 22172942582

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 311, 361, 622, 665, 722, 1330, 1555, 1805, 2177, 2393, 2527, 3110, 3610, 4354, 4786, 5054, 5909, 10885, 11818, 11965, 12635, 16751, 21770, 23930, 25270, 29545, 33502, 41363, 45467, 59090, 82726, 83755, 90934, 112271, 167510, 206815, 224542, 227335, 318269, 413630, 454670, 561355, 636538, 744223, 785897, 863873, 1122710, 1488446, 1571794, 1591345, 1727746, 3182690, 3721115, 3929485, 4319365, 5209561, 6047111, 7442230, 7858970, 8638730, 10419122, 12094222, 14140237, 26047805, 28280474, 30235555, 52095610, 60471110, 70701185, 98981659, 141402370, 197963318, 268664503, 494908295, 537329006, 989816590, 1343322515, 1880651521, 2686645030, 3761303042, 9403257605, 18806515210]

約数ペア:

[(1, 18806515210), (2, 9403257605), (5, 3761303042), (7, 2686645030), (10, 1880651521), (14, 1343322515), (19, 989816590), (35, 537329006), (38, 494908295), (70, 268664503), (95, 197963318), (133, 141402370), (190, 98981659), (266, 70701185), (311, 60471110), (361, 52095610), (622, 30235555), (665, 28280474), (722, 26047805), (1330, 14140237), (1555, 12094222), (1805, 10419122), (2177, 8638730), (2393, 7858970), (2527, 7442230), (3110, 6047111), (3610, 5209561), (4354, 4319365), (4786, 3929485), (5054, 3721115), (5909, 3182690), (10885, 1727746), (11818, 1591345), (11965, 1571794), (12635, 1488446), (16751, 1122710), (21770, 863873), (23930, 785897), (25270, 744223), (29545, 636538), (33502, 561355), (41363, 454670), (45467, 413630), (59090, 318269), (82726, 227335), (83755, 224542), (90934, 206815), (112271, 167510)]