19276460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 46611264

約数和(自身を除く): 27334804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 877, 1099, 1570, 1754, 2198, 3140, 3508, 4385, 4396, 5495, 6139, 8770, 10990, 12278, 17540, 21980, 24556, 30695, 61390, 122780, 137689, 275378, 550756, 688445, 963823, 1376890, 1927646, 2753780, 3855292, 4819115, 9638230, 19276460]

約数ペア:

[(1, 19276460), (2, 9638230), (4, 4819115), (5, 3855292), (7, 2753780), (10, 1927646), (14, 1376890), (20, 963823), (28, 688445), (35, 550756), (70, 275378), (140, 137689), (157, 122780), (314, 61390), (628, 30695), (785, 24556), (877, 21980), (1099, 17540), (1570, 12278), (1754, 10990), (2198, 8770), (3140, 6139), (3508, 5495), (4385, 4396)]