17920630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 22721930

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 419, 455, 470, 611, 658, 838, 910, 1222, 1645, 2095, 2933, 3055, 3290, 4190, 4277, 5447, 5866, 6110, 8554, 10894, 14665, 19693, 21385, 27235, 29330, 38129, 39386, 42770, 54470, 76258, 98465, 137851, 190645, 196930, 256009, 275702, 381290, 512018, 689255, 1280045, 1378510, 1792063, 2560090, 3584126, 8960315, 17920630]

約数ペア:

[(1, 17920630), (2, 8960315), (5, 3584126), (7, 2560090), (10, 1792063), (13, 1378510), (14, 1280045), (26, 689255), (35, 512018), (47, 381290), (65, 275702), (70, 256009), (91, 196930), (94, 190645), (130, 137851), (182, 98465), (235, 76258), (329, 54470), (419, 42770), (455, 39386), (470, 38129), (611, 29330), (658, 27235), (838, 21385), (910, 19693), (1222, 14665), (1645, 10894), (2095, 8554), (2933, 6110), (3055, 5866), (3290, 5447), (4190, 4277)]