19691181056

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{1131157}}^1$

素因数の和:1131194

約数の個数: 44

約数和(自身を含む): 41678647668

約数和(自身を除く): 21987466612

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2176, 4352, 8704, 17408, 1131157, 2262314, 4524628, 9049256, 18098512, 19229669, 36197024, 38459338, 72394048, 76918676, 144788096, 153837352, 289576192, 307674704, 579152384, 615349408, 1158304768, 1230698816, 2461397632, 4922795264, 9845590528, 19691181056]

約数ペア:

[(1, 19691181056), (2, 9845590528), (4, 4922795264), (8, 2461397632), (16, 1230698816), (17, 1158304768), (32, 615349408), (34, 579152384), (64, 307674704), (68, 289576192), (128, 153837352), (136, 144788096), (256, 76918676), (272, 72394048), (512, 38459338), (544, 36197024), (1024, 19229669), (1088, 18098512), (2176, 9049256), (4352, 4524628), (8704, 2262314), (17408, 1131157)]