18419205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 18076155

約数列:

[1, 3, 5, 7, 15, 21, 23, 29, 35, 69, 87, 105, 115, 145, 161, 203, 263, 345, 435, 483, 609, 667, 789, 805, 1015, 1315, 1841, 2001, 2415, 3045, 3335, 3945, 4669, 5523, 6049, 7627, 9205, 10005, 14007, 18147, 22881, 23345, 27615, 30245, 38135, 42343, 53389, 70035, 90735, 114405, 127029, 160167, 175421, 211715, 266945, 526263, 635145, 800835, 877105, 1227947, 2631315, 3683841, 6139735, 18419205]

約数ペア:

[(1, 18419205), (3, 6139735), (5, 3683841), (7, 2631315), (15, 1227947), (21, 877105), (23, 800835), (29, 635145), (35, 526263), (69, 266945), (87, 211715), (105, 175421), (115, 160167), (145, 127029), (161, 114405), (203, 90735), (263, 70035), (345, 53389), (435, 42343), (483, 38135), (609, 30245), (667, 27615), (789, 23345), (805, 22881), (1015, 18147), (1315, 14007), (1841, 10005), (2001, 9205), (2415, 7627), (3045, 6049), (3335, 5523), (3945, 4669)]