18269628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^2$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 49201488

約数和(自身を除く): 30931860

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 83, 102, 156, 166, 204, 221, 249, 332, 442, 498, 663, 884, 996, 1079, 1326, 1411, 2158, 2652, 2822, 3237, 4233, 4316, 5644, 6474, 6889, 8466, 12948, 13778, 16932, 18343, 20667, 27556, 36686, 41334, 55029, 73372, 82668, 89557, 110058, 117113, 179114, 220116, 234226, 268671, 351339, 358228, 468452, 537342, 702678, 1074684, 1405356, 1522469, 3044938, 4567407, 6089876, 9134814, 18269628]

約数ペア:

[(1, 18269628), (2, 9134814), (3, 6089876), (4, 4567407), (6, 3044938), (12, 1522469), (13, 1405356), (17, 1074684), (26, 702678), (34, 537342), (39, 468452), (51, 358228), (52, 351339), (68, 268671), (78, 234226), (83, 220116), (102, 179114), (156, 117113), (166, 110058), (204, 89557), (221, 82668), (249, 73372), (332, 55029), (442, 41334), (498, 36686), (663, 27556), (884, 20667), (996, 18343), (1079, 16932), (1326, 13778), (1411, 12948), (2158, 8466), (2652, 6889), (2822, 6474), (3237, 5644), (4233, 4316)]