18205121060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{4133}}^1$

素因数の和:4653

約数の個数: 96

約数和(自身を含む): 44404319232

約数和(自身を除く): 26199198172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 431, 511, 730, 862, 1022, 1460, 1724, 2044, 2155, 2555, 3017, 4133, 4310, 5110, 6034, 8266, 8620, 10220, 12068, 15085, 16532, 20665, 28931, 30170, 31463, 41330, 57862, 60340, 62926, 82660, 115724, 125852, 144655, 157315, 220241, 289310, 301709, 314630, 440482, 578620, 603418, 629260, 880964, 1101205, 1206836, 1508545, 1781323, 2111963, 2202410, 3017090, 3562646, 4223926, 4404820, 6034180, 7125292, 8447852, 8906615, 10559815, 12469261, 17813230, 21119630, 24938522, 35626460, 42239260, 49877044, 62346305, 124692610, 130036579, 249385220, 260073158, 520146316, 650182895, 910256053, 1300365790, 1820512106, 2600731580, 3641024212, 4551280265, 9102560530, 18205121060]

約数ペア:

[(1, 18205121060), (2, 9102560530), (4, 4551280265), (5, 3641024212), (7, 2600731580), (10, 1820512106), (14, 1300365790), (20, 910256053), (28, 650182895), (35, 520146316), (70, 260073158), (73, 249385220), (140, 130036579), (146, 124692610), (292, 62346305), (365, 49877044), (431, 42239260), (511, 35626460), (730, 24938522), (862, 21119630), (1022, 17813230), (1460, 12469261), (1724, 10559815), (2044, 8906615), (2155, 8447852), (2555, 7125292), (3017, 6034180), (4133, 4404820), (4310, 4223926), (5110, 3562646), (6034, 3017090), (8266, 2202410), (8620, 2111963), (10220, 1781323), (12068, 1508545), (15085, 1206836), (16532, 1101205), (20665, 880964), (28931, 629260), (30170, 603418), (31463, 578620), (41330, 440482), (57862, 314630), (60340, 301709), (62926, 289310), (82660, 220241), (115724, 157315), (125852, 144655)]