19579648

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 45254160

約数和(自身を除く): 25674512

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 409, 544, 704, 748, 818, 1088, 1408, 1496, 1636, 2176, 2816, 2992, 3272, 4352, 4499, 5984, 6544, 6953, 8998, 11968, 13088, 13906, 17996, 23936, 26176, 27812, 35992, 47872, 52352, 55624, 71984, 76483, 104704, 111248, 143968, 152966, 222496, 287936, 305932, 444992, 575872, 611864, 889984, 1151744, 1223728, 1779968, 2447456, 4894912, 9789824, 19579648]

約数ペア:

[(1, 19579648), (2, 9789824), (4, 4894912), (8, 2447456), (11, 1779968), (16, 1223728), (17, 1151744), (22, 889984), (32, 611864), (34, 575872), (44, 444992), (64, 305932), (68, 287936), (88, 222496), (128, 152966), (136, 143968), (176, 111248), (187, 104704), (256, 76483), (272, 71984), (352, 55624), (374, 52352), (409, 47872), (544, 35992), (704, 27812), (748, 26176), (818, 23936), (1088, 17996), (1408, 13906), (1496, 13088), (1636, 11968), (2176, 8998), (2816, 6953), (2992, 6544), (3272, 5984), (4352, 4499)]