18420234

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 45480960

約数和(自身を除く): 27060726

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 133, 246, 266, 287, 399, 563, 574, 779, 798, 861, 1126, 1558, 1689, 1722, 2337, 3378, 3941, 4674, 5453, 7882, 10697, 10906, 11823, 16359, 21394, 23083, 23646, 32091, 32718, 46166, 64182, 69249, 74879, 138498, 149758, 161581, 224637, 323162, 438577, 449274, 484743, 877154, 969486, 1315731, 2631462, 3070039, 6140078, 9210117, 18420234]

約数ペア:

[(1, 18420234), (2, 9210117), (3, 6140078), (6, 3070039), (7, 2631462), (14, 1315731), (19, 969486), (21, 877154), (38, 484743), (41, 449274), (42, 438577), (57, 323162), (82, 224637), (114, 161581), (123, 149758), (133, 138498), (246, 74879), (266, 69249), (287, 64182), (399, 46166), (563, 32718), (574, 32091), (779, 23646), (798, 23083), (861, 21394), (1126, 16359), (1558, 11823), (1689, 10906), (1722, 10697), (2337, 7882), (3378, 5453), (3941, 4674)]