19947256

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27330824

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 92, 119, 136, 161, 184, 238, 322, 391, 476, 644, 782, 911, 952, 1288, 1564, 1822, 2737, 3128, 3644, 5474, 6377, 7288, 10948, 12754, 15487, 20953, 21896, 25508, 30974, 41906, 51016, 61948, 83812, 108409, 123896, 146671, 167624, 216818, 293342, 356201, 433636, 586684, 712402, 867272, 1173368, 1424804, 2493407, 2849608, 4986814, 9973628, 19947256]

約数ペア:

[(1, 19947256), (2, 9973628), (4, 4986814), (7, 2849608), (8, 2493407), (14, 1424804), (17, 1173368), (23, 867272), (28, 712402), (34, 586684), (46, 433636), (56, 356201), (68, 293342), (92, 216818), (119, 167624), (136, 146671), (161, 123896), (184, 108409), (238, 83812), (322, 61948), (391, 51016), (476, 41906), (644, 30974), (782, 25508), (911, 21896), (952, 20953), (1288, 15487), (1564, 12754), (1822, 10948), (2737, 7288), (3128, 6377), (3644, 5474)]