19380700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 44840880

約数和(自身を除く): 25460180

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 116, 145, 163, 164, 205, 290, 326, 410, 580, 652, 725, 815, 820, 1025, 1189, 1450, 1630, 2050, 2378, 2900, 3260, 4075, 4100, 4727, 4756, 5945, 6683, 8150, 9454, 11890, 13366, 16300, 18908, 23635, 23780, 26732, 29725, 33415, 47270, 59450, 66830, 94540, 118175, 118900, 133660, 167075, 193807, 236350, 334150, 387614, 472700, 668300, 775228, 969035, 1938070, 3876140, 4845175, 9690350, 19380700]

約数ペア:

[(1, 19380700), (2, 9690350), (4, 4845175), (5, 3876140), (10, 1938070), (20, 969035), (25, 775228), (29, 668300), (41, 472700), (50, 387614), (58, 334150), (82, 236350), (100, 193807), (116, 167075), (145, 133660), (163, 118900), (164, 118175), (205, 94540), (290, 66830), (326, 59450), (410, 47270), (580, 33415), (652, 29725), (725, 26732), (815, 23780), (820, 23635), (1025, 18908), (1189, 16300), (1450, 13366), (1630, 11890), (2050, 9454), (2378, 8150), (2900, 6683), (3260, 5945), (4075, 4756), (4100, 4727)]