19174480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 29572400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 179, 206, 208, 260, 358, 412, 515, 520, 716, 824, 895, 1030, 1040, 1339, 1432, 1648, 1790, 2060, 2327, 2678, 2864, 3580, 4120, 4654, 5356, 6695, 7160, 8240, 9308, 10712, 11635, 13390, 14320, 18437, 18616, 21424, 23270, 26780, 36874, 37232, 46540, 53560, 73748, 92185, 93080, 107120, 147496, 184370, 186160, 239681, 294992, 368740, 479362, 737480, 958724, 1198405, 1474960, 1917448, 2396810, 3834896, 4793620, 9587240, 19174480]

約数ペア:

[(1, 19174480), (2, 9587240), (4, 4793620), (5, 3834896), (8, 2396810), (10, 1917448), (13, 1474960), (16, 1198405), (20, 958724), (26, 737480), (40, 479362), (52, 368740), (65, 294992), (80, 239681), (103, 186160), (104, 184370), (130, 147496), (179, 107120), (206, 93080), (208, 92185), (260, 73748), (358, 53560), (412, 46540), (515, 37232), (520, 36874), (716, 26780), (824, 23270), (895, 21424), (1030, 18616), (1040, 18437), (1339, 14320), (1432, 13390), (1648, 11635), (1790, 10712), (2060, 9308), (2327, 8240), (2678, 7160), (2864, 6695), (3580, 5356), (4120, 4654)]