19553450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:396

約数の個数: 72

約数和(自身を含む): 44273952

約数和(自身を除く): 24720502

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 49, 50, 70, 98, 115, 161, 175, 230, 245, 322, 347, 350, 490, 575, 694, 805, 1127, 1150, 1225, 1610, 1735, 2254, 2429, 2450, 3470, 4025, 4858, 5635, 7981, 8050, 8675, 11270, 12145, 15962, 17003, 17350, 24290, 28175, 34006, 39905, 55867, 56350, 60725, 79810, 85015, 111734, 121450, 170030, 199525, 279335, 391069, 399050, 425075, 558670, 782138, 850150, 1396675, 1955345, 2793350, 3910690, 9776725, 19553450]

約数ペア:

[(1, 19553450), (2, 9776725), (5, 3910690), (7, 2793350), (10, 1955345), (14, 1396675), (23, 850150), (25, 782138), (35, 558670), (46, 425075), (49, 399050), (50, 391069), (70, 279335), (98, 199525), (115, 170030), (161, 121450), (175, 111734), (230, 85015), (245, 79810), (322, 60725), (347, 56350), (350, 55867), (490, 39905), (575, 34006), (694, 28175), (805, 24290), (1127, 17350), (1150, 17003), (1225, 15962), (1610, 12145), (1735, 11270), (2254, 8675), (2429, 8050), (2450, 7981), (3470, 5635), (4025, 4858)]