19874435072

素因数分解:

$2^{12}\times {\mathrm{17}}^1\times {\mathrm{285421}}^1$

素因数の和:285462

約数の個数: 52

約数和(自身を含む): 42082048836

約数和(自身を除く): 22207613764

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2048, 2176, 4096, 4352, 8704, 17408, 34816, 69632, 285421, 570842, 1141684, 2283368, 4566736, 4852157, 9133472, 9704314, 18266944, 19408628, 36533888, 38817256, 73067776, 77634512, 146135552, 155269024, 292271104, 310538048, 584542208, 621076096, 1169084416, 1242152192, 2484304384, 4968608768, 9937217536, 19874435072]

約数ペア:

[(1, 19874435072), (2, 9937217536), (4, 4968608768), (8, 2484304384), (16, 1242152192), (17, 1169084416), (32, 621076096), (34, 584542208), (64, 310538048), (68, 292271104), (128, 155269024), (136, 146135552), (256, 77634512), (272, 73067776), (512, 38817256), (544, 36533888), (1024, 19408628), (1088, 18266944), (2048, 9704314), (2176, 9133472), (4096, 4852157), (4352, 4566736), (8704, 2283368), (17408, 1141684), (34816, 570842), (69632, 285421)]