19035280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 48996864

約数和(自身を除く): 29961584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 223, 388, 440, 446, 485, 776, 880, 892, 970, 1067, 1115, 1552, 1784, 1940, 2134, 2230, 2453, 3568, 3880, 4268, 4460, 4906, 5335, 7760, 8536, 8920, 9812, 10670, 12265, 17072, 17840, 19624, 21340, 21631, 24530, 39248, 42680, 43262, 49060, 85360, 86524, 98120, 108155, 173048, 196240, 216310, 237941, 346096, 432620, 475882, 865240, 951764, 1189705, 1730480, 1903528, 2379410, 3807056, 4758820, 9517640, 19035280]

約数ペア:

[(1, 19035280), (2, 9517640), (4, 4758820), (5, 3807056), (8, 2379410), (10, 1903528), (11, 1730480), (16, 1189705), (20, 951764), (22, 865240), (40, 475882), (44, 432620), (55, 346096), (80, 237941), (88, 216310), (97, 196240), (110, 173048), (176, 108155), (194, 98120), (220, 86524), (223, 85360), (388, 49060), (440, 43262), (446, 42680), (485, 39248), (776, 24530), (880, 21631), (892, 21340), (970, 19624), (1067, 17840), (1115, 17072), (1552, 12265), (1784, 10670), (1940, 9812), (2134, 8920), (2230, 8536), (2453, 7760), (3568, 5335), (3880, 4906), (4268, 4460)]