19938866475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{2833}}^1$

素因数の和:3325

約数の個数: 96

約数和(自身を含む): 37952928000

約数和(自身を除く): 18014061525

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 449, 475, 627, 825, 1045, 1347, 1425, 2245, 2833, 3135, 4939, 5225, 6735, 8499, 8531, 11225, 14165, 14817, 15675, 24695, 25593, 31163, 33675, 42495, 42655, 53827, 70825, 74085, 93489, 93841, 123475, 127965, 155815, 161481, 212475, 213275, 269135, 281523, 370425, 467445, 469205, 592097, 639825, 779075, 807405, 1272017, 1345675, 1407615, 1776291, 2337225, 2346025, 2960485, 3816051, 4037025, 6360085, 7038075, 8881455, 13992187, 14802425, 19080255, 24168323, 31800425, 41976561, 44407275, 69960935, 72504969, 95401275, 120841615, 209882805, 265851553, 349804675, 362524845, 604208075, 797554659, 1049414025, 1329257765, 1812624225, 3987773295, 6646288825, 19938866475]

約数ペア:

[(1, 19938866475), (3, 6646288825), (5, 3987773295), (11, 1812624225), (15, 1329257765), (19, 1049414025), (25, 797554659), (33, 604208075), (55, 362524845), (57, 349804675), (75, 265851553), (95, 209882805), (165, 120841615), (209, 95401275), (275, 72504969), (285, 69960935), (449, 44407275), (475, 41976561), (627, 31800425), (825, 24168323), (1045, 19080255), (1347, 14802425), (1425, 13992187), (2245, 8881455), (2833, 7038075), (3135, 6360085), (4939, 4037025), (5225, 3816051), (6735, 2960485), (8499, 2346025), (8531, 2337225), (11225, 1776291), (14165, 1407615), (14817, 1345675), (15675, 1272017), (24695, 807405), (25593, 779075), (31163, 639825), (33675, 592097), (42495, 469205), (42655, 467445), (53827, 370425), (70825, 281523), (74085, 269135), (93489, 213275), (93841, 212475), (123475, 161481), (127965, 155815)]