18679532

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 36251712

約数和(自身を除く): 17572180

約数列:

[1, 2, 4, 17, 34, 53, 68, 71, 73, 106, 142, 146, 212, 284, 292, 901, 1207, 1241, 1802, 2414, 2482, 3604, 3763, 3869, 4828, 4964, 5183, 7526, 7738, 10366, 15052, 15476, 20732, 63971, 65773, 88111, 127942, 131546, 176222, 255884, 263092, 274699, 352444, 549398, 1098796, 4669883, 9339766, 18679532]

約数ペア:

[(1, 18679532), (2, 9339766), (4, 4669883), (17, 1098796), (34, 549398), (53, 352444), (68, 274699), (71, 263092), (73, 255884), (106, 176222), (142, 131546), (146, 127942), (212, 88111), (284, 65773), (292, 63971), (901, 20732), (1207, 15476), (1241, 15052), (1802, 10366), (2414, 7738), (2482, 7526), (3604, 5183), (3763, 4964), (3869, 4828)]