19884736

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{3491}}^1$

素因数の和:3592

約数の個数: 28

約数和(自身を含む): 39913560

約数和(自身を除く): 20028824

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 3491, 5696, 6982, 13964, 27928, 55856, 111712, 223424, 310699, 621398, 1242796, 2485592, 4971184, 9942368, 19884736]

約数ペア:

[(1, 19884736), (2, 9942368), (4, 4971184), (8, 2485592), (16, 1242796), (32, 621398), (64, 310699), (89, 223424), (178, 111712), (356, 55856), (712, 27928), (1424, 13964), (2848, 6982), (3491, 5696)]