22519750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 26002490

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 418, 431, 475, 550, 862, 950, 1045, 1375, 2090, 2155, 2375, 2750, 4310, 4741, 4750, 5225, 8189, 9482, 10450, 10775, 16378, 21550, 23705, 26125, 40945, 47410, 52250, 53875, 81890, 90079, 107750, 118525, 180158, 204725, 237050, 409450, 450395, 592625, 900790, 1023625, 1185250, 2047250, 2251975, 4503950, 11259875, 22519750]

約数ペア:

[(1, 22519750), (2, 11259875), (5, 4503950), (10, 2251975), (11, 2047250), (19, 1185250), (22, 1023625), (25, 900790), (38, 592625), (50, 450395), (55, 409450), (95, 237050), (110, 204725), (125, 180158), (190, 118525), (209, 107750), (250, 90079), (275, 81890), (418, 53875), (431, 52250), (475, 47410), (550, 40945), (862, 26125), (950, 23705), (1045, 21550), (1375, 16378), (2090, 10775), (2155, 10450), (2375, 9482), (2750, 8189), (4310, 5225), (4741, 4750)]