19500292

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 41948928

約数和(自身を除く): 22448636

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 284, 476, 497, 577, 994, 1154, 1207, 1988, 2308, 2414, 4039, 4828, 8078, 8449, 9809, 16156, 16898, 19618, 33796, 39236, 40967, 68663, 81934, 137326, 163868, 274652, 286769, 573538, 696439, 1147076, 1392878, 2785756, 4875073, 9750146, 19500292]

約数ペア:

[(1, 19500292), (2, 9750146), (4, 4875073), (7, 2785756), (14, 1392878), (17, 1147076), (28, 696439), (34, 573538), (68, 286769), (71, 274652), (119, 163868), (142, 137326), (238, 81934), (284, 68663), (476, 40967), (497, 39236), (577, 33796), (994, 19618), (1154, 16898), (1207, 16156), (1988, 9809), (2308, 8449), (2414, 8078), (4039, 4828)]