18613638

素因数分解:

$2^1\times 3^4\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1394

約数の個数: 40

約数和(自身を含む): 42209640

約数和(自身を除く): 23596002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 267, 534, 801, 1291, 1602, 2403, 2582, 3873, 4806, 7209, 7746, 11619, 14418, 23238, 34857, 69714, 104571, 114899, 209142, 229798, 344697, 689394, 1034091, 2068182, 3102273, 6204546, 9306819, 18613638]

約数ペア:

[(1, 18613638), (2, 9306819), (3, 6204546), (6, 3102273), (9, 2068182), (18, 1034091), (27, 689394), (54, 344697), (81, 229798), (89, 209142), (162, 114899), (178, 104571), (267, 69714), (534, 34857), (801, 23238), (1291, 14418), (1602, 11619), (2403, 7746), (2582, 7209), (3873, 4806)]