19706944

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 56

約数和(自身を含む): 42245280

約数和(自身を除く): 22538336

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 64, 68, 118, 136, 236, 272, 307, 472, 544, 614, 944, 1003, 1088, 1228, 1888, 2006, 2456, 3776, 4012, 4912, 5219, 8024, 9824, 10438, 16048, 18113, 19648, 20876, 32096, 36226, 41752, 64192, 72452, 83504, 144904, 167008, 289808, 307921, 334016, 579616, 615842, 1159232, 1231684, 2463368, 4926736, 9853472, 19706944]

約数ペア:

[(1, 19706944), (2, 9853472), (4, 4926736), (8, 2463368), (16, 1231684), (17, 1159232), (32, 615842), (34, 579616), (59, 334016), (64, 307921), (68, 289808), (118, 167008), (136, 144904), (236, 83504), (272, 72452), (307, 64192), (472, 41752), (544, 36226), (614, 32096), (944, 20876), (1003, 19648), (1088, 18113), (1228, 16048), (1888, 10438), (2006, 9824), (2456, 8024), (3776, 5219), (4012, 4912)]