19930460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 49016016

約数和(自身を除く): 29085556

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 73, 85, 110, 146, 170, 187, 220, 292, 340, 365, 374, 730, 748, 803, 935, 1241, 1460, 1606, 1870, 2482, 3212, 3740, 4015, 4964, 5329, 6205, 8030, 10658, 12410, 13651, 16060, 21316, 24820, 26645, 27302, 53290, 54604, 58619, 68255, 90593, 106580, 117238, 136510, 181186, 234476, 273020, 293095, 362372, 452965, 586190, 905930, 996523, 1172380, 1811860, 1993046, 3986092, 4982615, 9965230, 19930460]

約数ペア:

[(1, 19930460), (2, 9965230), (4, 4982615), (5, 3986092), (10, 1993046), (11, 1811860), (17, 1172380), (20, 996523), (22, 905930), (34, 586190), (44, 452965), (55, 362372), (68, 293095), (73, 273020), (85, 234476), (110, 181186), (146, 136510), (170, 117238), (187, 106580), (220, 90593), (292, 68255), (340, 58619), (365, 54604), (374, 53290), (730, 27302), (748, 26645), (803, 24820), (935, 21316), (1241, 16060), (1460, 13651), (1606, 12410), (1870, 10658), (2482, 8030), (3212, 6205), (3740, 5329), (4015, 4964)]