19890112

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1529

約数の個数: 56

約数和(自身を含む): 45354240

約数和(自身を除く): 25464128

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, 1487, 1672, 2974, 3344, 5948, 6688, 11896, 13376, 16357, 23792, 28253, 32714, 47584, 56506, 65428, 95168, 113012, 130856, 226024, 261712, 310783, 452048, 523424, 621566, 904096, 1046848, 1243132, 1808192, 2486264, 4972528, 9945056, 19890112]

約数ペア:

[(1, 19890112), (2, 9945056), (4, 4972528), (8, 2486264), (11, 1808192), (16, 1243132), (19, 1046848), (22, 904096), (32, 621566), (38, 523424), (44, 452048), (64, 310783), (76, 261712), (88, 226024), (152, 130856), (176, 113012), (209, 95168), (304, 65428), (352, 56506), (418, 47584), (608, 32714), (704, 28253), (836, 23792), (1216, 16357), (1487, 13376), (1672, 11896), (2974, 6688), (3344, 5948)]