19625320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 53706240

約数和(自身を除く): 34080920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 47, 52, 55, 65, 73, 88, 94, 104, 110, 130, 143, 146, 188, 220, 235, 260, 286, 292, 365, 376, 440, 470, 517, 520, 572, 584, 611, 715, 730, 803, 940, 949, 1034, 1144, 1222, 1430, 1460, 1606, 1880, 1898, 2068, 2444, 2585, 2860, 2920, 3055, 3212, 3431, 3796, 4015, 4136, 4745, 4888, 5170, 5720, 6110, 6424, 6721, 6862, 7592, 8030, 9490, 10340, 10439, 12220, 13442, 13724, 16060, 17155, 18980, 20680, 20878, 24440, 26884, 27448, 32120, 33605, 34310, 37741, 37960, 41756, 44603, 52195, 53768, 67210, 68620, 75482, 83512, 89206, 104390, 134420, 137240, 150964, 178412, 188705, 208780, 223015, 268840, 301928, 356824, 377410, 417560, 446030, 490633, 754820, 892060, 981266, 1509640, 1784120, 1962532, 2453165, 3925064, 4906330, 9812660, 19625320]

約数ペア:

[(1, 19625320), (2, 9812660), (4, 4906330), (5, 3925064), (8, 2453165), (10, 1962532), (11, 1784120), (13, 1509640), (20, 981266), (22, 892060), (26, 754820), (40, 490633), (44, 446030), (47, 417560), (52, 377410), (55, 356824), (65, 301928), (73, 268840), (88, 223015), (94, 208780), (104, 188705), (110, 178412), (130, 150964), (143, 137240), (146, 134420), (188, 104390), (220, 89206), (235, 83512), (260, 75482), (286, 68620), (292, 67210), (365, 53768), (376, 52195), (440, 44603), (470, 41756), (517, 37960), (520, 37741), (572, 34310), (584, 33605), (611, 32120), (715, 27448), (730, 26884), (803, 24440), (940, 20878), (949, 20680), (1034, 18980), (1144, 17155), (1222, 16060), (1430, 13724), (1460, 13442), (1606, 12220), (1880, 10439), (1898, 10340), (2068, 9490), (2444, 8030), (2585, 7592), (2860, 6862), (2920, 6721), (3055, 6424), (3212, 6110), (3431, 5720), (3796, 5170), (4015, 4888), (4136, 4745)]