19911522270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{455537}}^1$

素因数の和:455625

約数の個数: 64

約数和(自身を含む): 50378858496

約数和(自身を除く): 30467336226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 62, 93, 94, 141, 155, 186, 235, 282, 310, 465, 470, 705, 930, 1410, 1457, 2914, 4371, 7285, 8742, 14570, 21855, 43710, 455537, 911074, 1366611, 2277685, 2733222, 4555370, 6833055, 13666110, 14121647, 21410239, 28243294, 42364941, 42820478, 64230717, 70608235, 84729882, 107051195, 128461434, 141216470, 211824705, 214102390, 321153585, 423649410, 642307170, 663717409, 1327434818, 1991152227, 3318587045, 3982304454, 6637174090, 9955761135, 19911522270]

約数ペア:

[(1, 19911522270), (2, 9955761135), (3, 6637174090), (5, 3982304454), (6, 3318587045), (10, 1991152227), (15, 1327434818), (30, 663717409), (31, 642307170), (47, 423649410), (62, 321153585), (93, 214102390), (94, 211824705), (141, 141216470), (155, 128461434), (186, 107051195), (235, 84729882), (282, 70608235), (310, 64230717), (465, 42820478), (470, 42364941), (705, 28243294), (930, 21410239), (1410, 14121647), (1457, 13666110), (2914, 6833055), (4371, 4555370), (7285, 2733222), (8742, 2277685), (14570, 1366611), (21855, 911074), (43710, 455537)]