18915078

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 80

約数和(自身を含む): 47997936

約数和(自身を除く): 29082858

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 101, 147, 182, 202, 273, 294, 303, 343, 546, 606, 637, 686, 707, 1029, 1274, 1313, 1414, 1911, 2058, 2121, 2401, 2626, 3822, 3939, 4242, 4459, 4802, 4949, 7203, 7878, 8918, 9191, 9898, 13377, 14406, 14847, 18382, 26754, 27573, 29694, 31213, 34643, 55146, 62426, 64337, 69286, 93639, 103929, 128674, 187278, 193011, 207858, 242501, 386022, 450359, 485002, 727503, 900718, 1351077, 1455006, 2702154, 3152513, 6305026, 9457539, 18915078]

約数ペア:

[(1, 18915078), (2, 9457539), (3, 6305026), (6, 3152513), (7, 2702154), (13, 1455006), (14, 1351077), (21, 900718), (26, 727503), (39, 485002), (42, 450359), (49, 386022), (78, 242501), (91, 207858), (98, 193011), (101, 187278), (147, 128674), (182, 103929), (202, 93639), (273, 69286), (294, 64337), (303, 62426), (343, 55146), (546, 34643), (606, 31213), (637, 29694), (686, 27573), (707, 26754), (1029, 18382), (1274, 14847), (1313, 14406), (1414, 13377), (1911, 9898), (2058, 9191), (2121, 8918), (2401, 7878), (2626, 7203), (3822, 4949), (3939, 4802), (4242, 4459)]