19516175984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{4999}}^1$

素因数の和:5518

約数の個数: 80

約数和(自身を含む): 41425920000

約数和(自身を除く): 21909744016

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 463, 496, 527, 926, 1054, 1852, 2108, 3704, 4216, 4999, 7408, 7871, 8432, 9998, 14353, 15742, 19996, 28706, 31484, 39992, 57412, 62968, 79984, 84983, 114824, 125936, 154969, 169966, 229648, 244001, 309938, 339932, 488002, 619876, 679864, 976004, 1239752, 1359728, 1952008, 2314537, 2479504, 2634473, 3904016, 4629074, 5268946, 9258148, 10537892, 18516296, 21075784, 37032592, 39347129, 42151568, 71750647, 78694258, 143501294, 157388516, 287002588, 314777032, 574005176, 629554064, 1148010352, 1219760999, 2439521998, 4879043996, 9758087992, 19516175984]

約数ペア:

[(1, 19516175984), (2, 9758087992), (4, 4879043996), (8, 2439521998), (16, 1219760999), (17, 1148010352), (31, 629554064), (34, 574005176), (62, 314777032), (68, 287002588), (124, 157388516), (136, 143501294), (248, 78694258), (272, 71750647), (463, 42151568), (496, 39347129), (527, 37032592), (926, 21075784), (1054, 18516296), (1852, 10537892), (2108, 9258148), (3704, 5268946), (4216, 4629074), (4999, 3904016), (7408, 2634473), (7871, 2479504), (8432, 2314537), (9998, 1952008), (14353, 1359728), (15742, 1239752), (19996, 976004), (28706, 679864), (31484, 619876), (39992, 488002), (57412, 339932), (62968, 309938), (79984, 244001), (84983, 229648), (114824, 169966), (125936, 154969)]