18702936021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{3889}}^1$

素因数の和:4210

約数の個数: 64

約数和(自身を含む): 31548211200

約数和(自身を除く): 12845275179

約数列:

[1, 3, 7, 11, 21, 33, 77, 109, 191, 231, 327, 573, 763, 1199, 1337, 2101, 2289, 3597, 3889, 4011, 6303, 8393, 11667, 14707, 20819, 25179, 27223, 42779, 44121, 62457, 81669, 128337, 145733, 229009, 299453, 423901, 437199, 687027, 742799, 898359, 1271703, 1603063, 2228397, 2967307, 4662911, 4809189, 5199593, 8170789, 8901921, 13988733, 15598779, 24512367, 32640377, 57195523, 80965091, 97921131, 171586569, 242895273, 566755637, 890616001, 1700266911, 2671848003, 6234312007, 18702936021]

約数ペア:

[(1, 18702936021), (3, 6234312007), (7, 2671848003), (11, 1700266911), (21, 890616001), (33, 566755637), (77, 242895273), (109, 171586569), (191, 97921131), (231, 80965091), (327, 57195523), (573, 32640377), (763, 24512367), (1199, 15598779), (1337, 13988733), (2101, 8901921), (2289, 8170789), (3597, 5199593), (3889, 4809189), (4011, 4662911), (6303, 2967307), (8393, 2228397), (11667, 1603063), (14707, 1271703), (20819, 898359), (25179, 742799), (27223, 687027), (42779, 437199), (44121, 423901), (62457, 299453), (81669, 229009), (128337, 145733)]