19207380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 54149760

約数和(自身を除く): 34942380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2039, 2355, 3140, 4078, 4710, 6117, 8156, 9420, 10195, 12234, 20390, 24468, 30585, 40780, 61170, 122340, 320123, 640246, 960369, 1280492, 1600615, 1920738, 3201230, 3841476, 4801845, 6402460, 9603690, 19207380]

約数ペア:

[(1, 19207380), (2, 9603690), (3, 6402460), (4, 4801845), (5, 3841476), (6, 3201230), (10, 1920738), (12, 1600615), (15, 1280492), (20, 960369), (30, 640246), (60, 320123), (157, 122340), (314, 61170), (471, 40780), (628, 30585), (785, 24468), (942, 20390), (1570, 12234), (1884, 10195), (2039, 9420), (2355, 8156), (3140, 6117), (4078, 4710)]