19838434

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 18465566

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 239, 242, 343, 478, 539, 686, 847, 1078, 1673, 1694, 2629, 3346, 3773, 5258, 5929, 7546, 11711, 11858, 18403, 23422, 28919, 36806, 41503, 57838, 81977, 83006, 128821, 163954, 202433, 257642, 404866, 901747, 1417031, 1803494, 2834062, 9919217, 19838434]

約数ペア:

[(1, 19838434), (2, 9919217), (7, 2834062), (11, 1803494), (14, 1417031), (22, 901747), (49, 404866), (77, 257642), (98, 202433), (121, 163954), (154, 128821), (239, 83006), (242, 81977), (343, 57838), (478, 41503), (539, 36806), (686, 28919), (847, 23422), (1078, 18403), (1673, 11858), (1694, 11711), (2629, 7546), (3346, 5929), (3773, 5258)]