19025320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 45043200

約数和(自身を除く): 26017880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 229, 248, 268, 310, 335, 458, 536, 620, 670, 916, 1145, 1240, 1340, 1832, 2077, 2290, 2680, 4154, 4580, 7099, 8308, 9160, 10385, 14198, 15343, 16616, 20770, 28396, 30686, 35495, 41540, 56792, 61372, 70990, 76715, 83080, 122744, 141980, 153430, 283960, 306860, 475633, 613720, 951266, 1902532, 2378165, 3805064, 4756330, 9512660, 19025320]

約数ペア:

[(1, 19025320), (2, 9512660), (4, 4756330), (5, 3805064), (8, 2378165), (10, 1902532), (20, 951266), (31, 613720), (40, 475633), (62, 306860), (67, 283960), (124, 153430), (134, 141980), (155, 122744), (229, 83080), (248, 76715), (268, 70990), (310, 61372), (335, 56792), (458, 41540), (536, 35495), (620, 30686), (670, 28396), (916, 20770), (1145, 16616), (1240, 15343), (1340, 14198), (1832, 10385), (2077, 9160), (2290, 8308), (2680, 7099), (4154, 4580)]