19917492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3539}}^1$

素因数の和:3620

約数の個数: 48

約数和(自身を含む): 53921280

約数和(自身を除く): 34003788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3539, 5628, 7078, 10617, 14156, 21234, 24773, 42468, 49546, 74319, 99092, 148638, 237113, 297276, 474226, 711339, 948452, 1422678, 1659791, 2845356, 3319582, 4979373, 6639164, 9958746, 19917492]

約数ペア:

[(1, 19917492), (2, 9958746), (3, 6639164), (4, 4979373), (6, 3319582), (7, 2845356), (12, 1659791), (14, 1422678), (21, 948452), (28, 711339), (42, 474226), (67, 297276), (84, 237113), (134, 148638), (201, 99092), (268, 74319), (402, 49546), (469, 42468), (804, 24773), (938, 21234), (1407, 14156), (1876, 10617), (2814, 7078), (3539, 5628)]