19435520

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 104

約数和(自身を含む): 50915256

約数和(自身を除く): 31479736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 128, 130, 146, 160, 208, 256, 260, 292, 320, 365, 416, 512, 520, 584, 640, 730, 832, 949, 1024, 1040, 1168, 1280, 1460, 1664, 1898, 2048, 2080, 2336, 2560, 2920, 3328, 3796, 4096, 4160, 4672, 4745, 5120, 5840, 6656, 7592, 8320, 9344, 9490, 10240, 11680, 13312, 15184, 16640, 18688, 18980, 20480, 23360, 26624, 30368, 33280, 37376, 37960, 46720, 53248, 60736, 66560, 74752, 75920, 93440, 121472, 133120, 149504, 151840, 186880, 242944, 266240, 299008, 303680, 373760, 485888, 607360, 747520, 971776, 1214720, 1495040, 1943552, 2429440, 3887104, 4858880, 9717760, 19435520]

約数ペア:

[(1, 19435520), (2, 9717760), (4, 4858880), (5, 3887104), (8, 2429440), (10, 1943552), (13, 1495040), (16, 1214720), (20, 971776), (26, 747520), (32, 607360), (40, 485888), (52, 373760), (64, 303680), (65, 299008), (73, 266240), (80, 242944), (104, 186880), (128, 151840), (130, 149504), (146, 133120), (160, 121472), (208, 93440), (256, 75920), (260, 74752), (292, 66560), (320, 60736), (365, 53248), (416, 46720), (512, 37960), (520, 37376), (584, 33280), (640, 30368), (730, 26624), (832, 23360), (949, 20480), (1024, 18980), (1040, 18688), (1168, 16640), (1280, 15184), (1460, 13312), (1664, 11680), (1898, 10240), (2048, 9490), (2080, 9344), (2336, 8320), (2560, 7592), (2920, 6656), (3328, 5840), (3796, 5120), (4096, 4745), (4160, 4672)]