19935808

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{3943}}^1$

素因数の和:4034

約数の個数: 28

約数和(自身を含む): 40071040

約数和(自身を除く): 20135232

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 3943, 5056, 7886, 15772, 31544, 63088, 126176, 252352, 311497, 622994, 1245988, 2491976, 4983952, 9967904, 19935808]

約数ペア:

[(1, 19935808), (2, 9967904), (4, 4983952), (8, 2491976), (16, 1245988), (32, 622994), (64, 311497), (79, 252352), (158, 126176), (316, 63088), (632, 31544), (1264, 15772), (2528, 7886), (3943, 5056)]