19759520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 32132320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 103, 109, 110, 160, 176, 206, 218, 220, 352, 412, 436, 440, 515, 545, 824, 872, 880, 1030, 1090, 1133, 1199, 1648, 1744, 1760, 2060, 2180, 2266, 2398, 3296, 3488, 4120, 4360, 4532, 4796, 5665, 5995, 8240, 8720, 9064, 9592, 11227, 11330, 11990, 16480, 17440, 18128, 19184, 22454, 22660, 23980, 36256, 38368, 44908, 45320, 47960, 56135, 89816, 90640, 95920, 112270, 123497, 179632, 181280, 191840, 224540, 246994, 359264, 449080, 493988, 617485, 898160, 987976, 1234970, 1796320, 1975952, 2469940, 3951904, 4939880, 9879760, 19759520]

約数ペア:

[(1, 19759520), (2, 9879760), (4, 4939880), (5, 3951904), (8, 2469940), (10, 1975952), (11, 1796320), (16, 1234970), (20, 987976), (22, 898160), (32, 617485), (40, 493988), (44, 449080), (55, 359264), (80, 246994), (88, 224540), (103, 191840), (109, 181280), (110, 179632), (160, 123497), (176, 112270), (206, 95920), (218, 90640), (220, 89816), (352, 56135), (412, 47960), (436, 45320), (440, 44908), (515, 38368), (545, 36256), (824, 23980), (872, 22660), (880, 22454), (1030, 19184), (1090, 18128), (1133, 17440), (1199, 16480), (1648, 11990), (1744, 11330), (1760, 11227), (2060, 9592), (2180, 9064), (2266, 8720), (2398, 8240), (3296, 5995), (3488, 5665), (4120, 4796), (4360, 4532)]