19916864

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1531

約数の個数: 56

約数和(自身を含む): 45415200

約数和(自身を除く): 25498336

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1489, 1672, 2978, 3344, 5956, 6688, 11912, 13376, 16379, 23824, 28291, 32758, 47648, 56582, 65516, 95296, 113164, 131032, 226328, 262064, 311201, 452656, 524128, 622402, 905312, 1048256, 1244804, 1810624, 2489608, 4979216, 9958432, 19916864]

約数ペア:

[(1, 19916864), (2, 9958432), (4, 4979216), (8, 2489608), (11, 1810624), (16, 1244804), (19, 1048256), (22, 905312), (32, 622402), (38, 524128), (44, 452656), (64, 311201), (76, 262064), (88, 226328), (152, 131032), (176, 113164), (209, 95296), (304, 65516), (352, 56582), (418, 47648), (608, 32758), (704, 28291), (836, 23824), (1216, 16379), (1489, 13376), (1672, 11912), (2978, 6688), (3344, 5956)]