19489250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 42007680

約数和(自身を除く): 22518430

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 373, 418, 475, 550, 746, 950, 1045, 1375, 1865, 2090, 2375, 2750, 3730, 4103, 4750, 5225, 7087, 8206, 9325, 10450, 14174, 18650, 20515, 26125, 35435, 41030, 46625, 52250, 70870, 77957, 93250, 102575, 155914, 177175, 205150, 354350, 389785, 512875, 779570, 885875, 1025750, 1771750, 1948925, 3897850, 9744625, 19489250]

約数ペア:

[(1, 19489250), (2, 9744625), (5, 3897850), (10, 1948925), (11, 1771750), (19, 1025750), (22, 885875), (25, 779570), (38, 512875), (50, 389785), (55, 354350), (95, 205150), (110, 177175), (125, 155914), (190, 102575), (209, 93250), (250, 77957), (275, 70870), (373, 52250), (418, 46625), (475, 41030), (550, 35435), (746, 26125), (950, 20515), (1045, 18650), (1375, 14174), (1865, 10450), (2090, 9325), (2375, 8206), (2750, 7087), (3730, 5225), (4103, 4750)]