19828736

素因数分解:

$2^{12}\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 52

約数和(自身を含む): 40889472

約数和(自身を除く): 21060736

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 103, 128, 188, 206, 256, 376, 412, 512, 752, 824, 1024, 1504, 1648, 2048, 3008, 3296, 4096, 4841, 6016, 6592, 9682, 12032, 13184, 19364, 24064, 26368, 38728, 48128, 52736, 77456, 96256, 105472, 154912, 192512, 210944, 309824, 421888, 619648, 1239296, 2478592, 4957184, 9914368, 19828736]

約数ペア:

[(1, 19828736), (2, 9914368), (4, 4957184), (8, 2478592), (16, 1239296), (32, 619648), (47, 421888), (64, 309824), (94, 210944), (103, 192512), (128, 154912), (188, 105472), (206, 96256), (256, 77456), (376, 52736), (412, 48128), (512, 38728), (752, 26368), (824, 24064), (1024, 19364), (1504, 13184), (1648, 12032), (2048, 9682), (3008, 6592), (3296, 6016), (4096, 4841)]