19918458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{547}}^1$

素因数の和:596

約数の個数: 72

約数和(自身を含む): 52489632

約数和(自身を除く): 32571174

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 289, 306, 357, 547, 578, 714, 867, 1071, 1094, 1641, 1734, 2023, 2142, 2601, 3282, 3829, 4046, 4923, 5202, 6069, 7658, 9299, 9846, 11487, 12138, 18207, 18598, 22974, 27897, 34461, 36414, 55794, 65093, 68922, 83691, 130186, 158083, 167382, 195279, 316166, 390558, 474249, 585837, 948498, 1106581, 1171674, 1422747, 2213162, 2845494, 3319743, 6639486, 9959229, 19918458]

約数ペア:

[(1, 19918458), (2, 9959229), (3, 6639486), (6, 3319743), (7, 2845494), (9, 2213162), (14, 1422747), (17, 1171674), (18, 1106581), (21, 948498), (34, 585837), (42, 474249), (51, 390558), (63, 316166), (102, 195279), (119, 167382), (126, 158083), (153, 130186), (238, 83691), (289, 68922), (306, 65093), (357, 55794), (547, 36414), (578, 34461), (714, 27897), (867, 22974), (1071, 18598), (1094, 18207), (1641, 12138), (1734, 11487), (2023, 9846), (2142, 9299), (2601, 7658), (3282, 6069), (3829, 5202), (4046, 4923)]