19495672

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 25259528

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 73, 76, 133, 146, 152, 251, 266, 292, 502, 511, 532, 584, 1004, 1022, 1064, 1387, 1757, 2008, 2044, 2774, 3514, 4088, 4769, 5548, 7028, 9538, 9709, 11096, 14056, 18323, 19076, 19418, 33383, 36646, 38152, 38836, 66766, 73292, 77672, 128261, 133532, 146584, 256522, 267064, 348137, 513044, 696274, 1026088, 1392548, 2436959, 2785096, 4873918, 9747836, 19495672]

約数ペア:

[(1, 19495672), (2, 9747836), (4, 4873918), (7, 2785096), (8, 2436959), (14, 1392548), (19, 1026088), (28, 696274), (38, 513044), (56, 348137), (73, 267064), (76, 256522), (133, 146584), (146, 133532), (152, 128261), (251, 77672), (266, 73292), (292, 66766), (502, 38836), (511, 38152), (532, 36646), (584, 33383), (1004, 19418), (1022, 19076), (1064, 18323), (1387, 14056), (1757, 11096), (2008, 9709), (2044, 9538), (2774, 7028), (3514, 5548), (4088, 4769)]