19907844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2251}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 51453696

約数和(自身を除く): 31545852

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 67, 132, 134, 201, 268, 402, 737, 804, 1474, 2211, 2251, 2948, 4422, 4502, 6753, 8844, 9004, 13506, 24761, 27012, 49522, 74283, 99044, 148566, 150817, 297132, 301634, 452451, 603268, 904902, 1658987, 1809804, 3317974, 4976961, 6635948, 9953922, 19907844]

約数ペア:

[(1, 19907844), (2, 9953922), (3, 6635948), (4, 4976961), (6, 3317974), (11, 1809804), (12, 1658987), (22, 904902), (33, 603268), (44, 452451), (66, 301634), (67, 297132), (132, 150817), (134, 148566), (201, 99044), (268, 74283), (402, 49522), (737, 27012), (804, 24761), (1474, 13506), (2211, 9004), (2251, 8844), (2948, 6753), (4422, 4502)]