20181737916

素因数分解:

$2^2\times 3^2\times {\mathrm{347}}^1\times {\mathrm{809}}^1\times {\mathrm{1997}}^1$

素因数の和:3163

約数の個数: 72

約数和(自身を含む): 51250857840

約数和(自身を除く): 31069119924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 347, 694, 809, 1041, 1388, 1618, 1997, 2082, 2427, 3123, 3236, 3994, 4164, 4854, 5991, 6246, 7281, 7988, 9708, 11982, 12492, 14562, 17973, 23964, 29124, 35946, 71892, 280723, 561446, 692959, 842169, 1122892, 1385918, 1615573, 1684338, 2078877, 2526507, 2771836, 3231146, 3368676, 4157754, 4846719, 5053014, 6236631, 6462292, 8315508, 9693438, 10106028, 12473262, 14540157, 19386876, 24946524, 29080314, 58160628, 560603831, 1121207662, 1681811493, 2242415324, 3363622986, 5045434479, 6727245972, 10090868958, 20181737916]

約数ペア:

[(1, 20181737916), (2, 10090868958), (3, 6727245972), (4, 5045434479), (6, 3363622986), (9, 2242415324), (12, 1681811493), (18, 1121207662), (36, 560603831), (347, 58160628), (694, 29080314), (809, 24946524), (1041, 19386876), (1388, 14540157), (1618, 12473262), (1997, 10106028), (2082, 9693438), (2427, 8315508), (3123, 6462292), (3236, 6236631), (3994, 5053014), (4164, 4846719), (4854, 4157754), (5991, 3368676), (6246, 3231146), (7281, 2771836), (7988, 2526507), (9708, 2078877), (11982, 1684338), (12492, 1615573), (14562, 1385918), (17973, 1122892), (23964, 842169), (29124, 692959), (35946, 561446), (71892, 280723)]