19149225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 35033472

約数和(自身を除く): 15884247

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 653, 1173, 1275, 1725, 1955, 1959, 3265, 5865, 9775, 9795, 11101, 15019, 16325, 29325, 33303, 45057, 48975, 55505, 75095, 166515, 225285, 255323, 277525, 375475, 765969, 832575, 1126425, 1276615, 3829845, 6383075, 19149225]

約数ペア:

[(1, 19149225), (3, 6383075), (5, 3829845), (15, 1276615), (17, 1126425), (23, 832575), (25, 765969), (51, 375475), (69, 277525), (75, 255323), (85, 225285), (115, 166515), (255, 75095), (345, 55505), (391, 48975), (425, 45057), (575, 33303), (653, 29325), (1173, 16325), (1275, 15019), (1725, 11101), (1955, 9795), (1959, 9775), (3265, 5865)]