18267780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1213}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 51395904

約数和(自身を除く): 33128124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1213, 1255, 1506, 2426, 2510, 3012, 3639, 3765, 4852, 5020, 6065, 7278, 7530, 12130, 14556, 15060, 18195, 24260, 36390, 72780, 304463, 608926, 913389, 1217852, 1522315, 1826778, 3044630, 3653556, 4566945, 6089260, 9133890, 18267780]

約数ペア:

[(1, 18267780), (2, 9133890), (3, 6089260), (4, 4566945), (5, 3653556), (6, 3044630), (10, 1826778), (12, 1522315), (15, 1217852), (20, 913389), (30, 608926), (60, 304463), (251, 72780), (502, 36390), (753, 24260), (1004, 18195), (1213, 15060), (1255, 14556), (1506, 12130), (2426, 7530), (2510, 7278), (3012, 6065), (3639, 5020), (3765, 4852)]