19207760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 55496448

約数和(自身を除く): 36288688

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 73, 80, 88, 92, 104, 110, 115, 130, 143, 146, 176, 184, 208, 220, 230, 253, 260, 286, 292, 299, 365, 368, 440, 460, 506, 520, 572, 584, 598, 715, 730, 803, 880, 920, 949, 1012, 1040, 1144, 1168, 1196, 1265, 1430, 1460, 1495, 1606, 1679, 1840, 1898, 2024, 2288, 2392, 2530, 2860, 2920, 2990, 3212, 3289, 3358, 3796, 4015, 4048, 4745, 4784, 5060, 5720, 5840, 5980, 6424, 6578, 6716, 7592, 8030, 8395, 9490, 10120, 10439, 11440, 11960, 12848, 13156, 13432, 15184, 16060, 16445, 16790, 18469, 18980, 20240, 20878, 21827, 23920, 26312, 26864, 32120, 32890, 33580, 36938, 37960, 41756, 43654, 52195, 52624, 64240, 65780, 67160, 73876, 75920, 83512, 87308, 92345, 104390, 109135, 131560, 134320, 147752, 167024, 174616, 184690, 208780, 218270, 240097, 263120, 295504, 349232, 369380, 417560, 436540, 480194, 738760, 835120, 873080, 960388, 1200485, 1477520, 1746160, 1920776, 2400970, 3841552, 4801940, 9603880, 19207760]

約数ペア:

[(1, 19207760), (2, 9603880), (4, 4801940), (5, 3841552), (8, 2400970), (10, 1920776), (11, 1746160), (13, 1477520), (16, 1200485), (20, 960388), (22, 873080), (23, 835120), (26, 738760), (40, 480194), (44, 436540), (46, 417560), (52, 369380), (55, 349232), (65, 295504), (73, 263120), (80, 240097), (88, 218270), (92, 208780), (104, 184690), (110, 174616), (115, 167024), (130, 147752), (143, 134320), (146, 131560), (176, 109135), (184, 104390), (208, 92345), (220, 87308), (230, 83512), (253, 75920), (260, 73876), (286, 67160), (292, 65780), (299, 64240), (365, 52624), (368, 52195), (440, 43654), (460, 41756), (506, 37960), (520, 36938), (572, 33580), (584, 32890), (598, 32120), (715, 26864), (730, 26312), (803, 23920), (880, 21827), (920, 20878), (949, 20240), (1012, 18980), (1040, 18469), (1144, 16790), (1168, 16445), (1196, 16060), (1265, 15184), (1430, 13432), (1460, 13156), (1495, 12848), (1606, 11960), (1679, 11440), (1840, 10439), (1898, 10120), (2024, 9490), (2288, 8395), (2392, 8030), (2530, 7592), (2860, 6716), (2920, 6578), (2990, 6424), (3212, 5980), (3289, 5840), (3358, 5720), (3796, 5060), (4015, 4784), (4048, 4745)]