1618542822

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{20939}}^1$

素因数の和:21948

約数の個数: 32

約数和(自身を含む): 3489776640

約数和(自身を除く): 1871233818

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 991, 1982, 2973, 5946, 12883, 20939, 25766, 38649, 41878, 62817, 77298, 125634, 272207, 544414, 816621, 1633242, 20750549, 41501098, 62251647, 124503294, 269757137, 539514274, 809271411, 1618542822]

約数ペア:

[(1, 1618542822), (2, 809271411), (3, 539514274), (6, 269757137), (13, 124503294), (26, 62251647), (39, 41501098), (78, 20750549), (991, 1633242), (1982, 816621), (2973, 544414), (5946, 272207), (12883, 125634), (20939, 77298), (25766, 62817), (38649, 41878)]