19089567

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 14617953

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 307, 329, 423, 441, 921, 987, 1269, 1323, 2149, 2303, 2763, 2961, 6447, 6909, 8289, 8883, 14429, 15043, 19341, 20727, 43287, 45129, 58023, 62181, 101003, 129861, 135387, 303009, 389583, 406161, 707021, 909027, 2121063, 2727081, 6363189, 19089567]

約数ペア:

[(1, 19089567), (3, 6363189), (7, 2727081), (9, 2121063), (21, 909027), (27, 707021), (47, 406161), (49, 389583), (63, 303009), (141, 135387), (147, 129861), (189, 101003), (307, 62181), (329, 58023), (423, 45129), (441, 43287), (921, 20727), (987, 19341), (1269, 15043), (1323, 14429), (2149, 8883), (2303, 8289), (2763, 6909), (2961, 6447)]