19067920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 47532672

約数和(自身を除く): 28464752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 241, 344, 368, 430, 460, 482, 688, 860, 920, 964, 989, 1205, 1720, 1840, 1928, 1978, 2410, 3440, 3856, 3956, 4820, 4945, 5543, 7912, 9640, 9890, 10363, 11086, 15824, 19280, 19780, 20726, 22172, 27715, 39560, 41452, 44344, 51815, 55430, 79120, 82904, 88688, 103630, 110860, 165808, 207260, 221720, 238349, 414520, 443440, 476698, 829040, 953396, 1191745, 1906792, 2383490, 3813584, 4766980, 9533960, 19067920]

約数ペア:

[(1, 19067920), (2, 9533960), (4, 4766980), (5, 3813584), (8, 2383490), (10, 1906792), (16, 1191745), (20, 953396), (23, 829040), (40, 476698), (43, 443440), (46, 414520), (80, 238349), (86, 221720), (92, 207260), (115, 165808), (172, 110860), (184, 103630), (215, 88688), (230, 82904), (241, 79120), (344, 55430), (368, 51815), (430, 44344), (460, 41452), (482, 39560), (688, 27715), (860, 22172), (920, 20726), (964, 19780), (989, 19280), (1205, 15824), (1720, 11086), (1840, 10363), (1928, 9890), (1978, 9640), (2410, 7912), (3440, 5543), (3856, 4945), (3956, 4820)]