19478144

素因数分解:

$2^7\times 7^1\times {\mathrm{21739}}^1$

素因数の和:21760

約数の個数: 32

約数和(自身を含む): 44349600

約数和(自身を除く): 24871456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 21739, 43478, 86956, 152173, 173912, 304346, 347824, 608692, 695648, 1217384, 1391296, 2434768, 2782592, 4869536, 9739072, 19478144]

約数ペア:

[(1, 19478144), (2, 9739072), (4, 4869536), (7, 2782592), (8, 2434768), (14, 1391296), (16, 1217384), (28, 695648), (32, 608692), (56, 347824), (64, 304346), (112, 173912), (128, 152173), (224, 86956), (448, 43478), (896, 21739)]