19199730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 51020928

約数和(自身を除く): 31821198

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 797, 803, 1095, 1594, 1606, 2190, 2391, 2409, 3985, 4015, 4782, 4818, 7970, 8030, 8767, 11955, 12045, 17534, 23910, 24090, 26301, 43835, 52602, 58181, 87670, 116362, 131505, 174543, 263010, 290905, 349086, 581810, 639991, 872715, 1279982, 1745430, 1919973, 3199955, 3839946, 6399910, 9599865, 19199730]

約数ペア:

[(1, 19199730), (2, 9599865), (3, 6399910), (5, 3839946), (6, 3199955), (10, 1919973), (11, 1745430), (15, 1279982), (22, 872715), (30, 639991), (33, 581810), (55, 349086), (66, 290905), (73, 263010), (110, 174543), (146, 131505), (165, 116362), (219, 87670), (330, 58181), (365, 52602), (438, 43835), (730, 26301), (797, 24090), (803, 23910), (1095, 17534), (1594, 12045), (1606, 11955), (2190, 8767), (2391, 8030), (2409, 7970), (3985, 4818), (4015, 4782)]