19018125

素因数分解:

$3^3\times 5^4\times 7^2\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 120

約数和(自身を含む): 42736320

約数和(自身を除く): 23718195

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 27, 35, 45, 49, 63, 69, 75, 105, 115, 125, 135, 147, 161, 175, 189, 207, 225, 245, 315, 345, 375, 441, 483, 525, 575, 621, 625, 675, 735, 805, 875, 945, 1035, 1125, 1127, 1225, 1323, 1449, 1575, 1725, 1875, 2205, 2415, 2625, 2875, 3105, 3375, 3381, 3675, 4025, 4347, 4375, 4725, 5175, 5625, 5635, 6125, 6615, 7245, 7875, 8625, 10143, 11025, 12075, 13125, 14375, 15525, 16875, 16905, 18375, 20125, 21735, 23625, 25875, 28175, 30429, 30625, 33075, 36225, 39375, 43125, 50715, 55125, 60375, 77625, 84525, 91875, 100625, 108675, 118125, 129375, 140875, 152145, 165375, 181125, 253575, 275625, 301875, 388125, 422625, 543375, 704375, 760725, 826875, 905625, 1267875, 2113125, 2716875, 3803625, 6339375, 19018125]

約数ペア:

[(1, 19018125), (3, 6339375), (5, 3803625), (7, 2716875), (9, 2113125), (15, 1267875), (21, 905625), (23, 826875), (25, 760725), (27, 704375), (35, 543375), (45, 422625), (49, 388125), (63, 301875), (69, 275625), (75, 253575), (105, 181125), (115, 165375), (125, 152145), (135, 140875), (147, 129375), (161, 118125), (175, 108675), (189, 100625), (207, 91875), (225, 84525), (245, 77625), (315, 60375), (345, 55125), (375, 50715), (441, 43125), (483, 39375), (525, 36225), (575, 33075), (621, 30625), (625, 30429), (675, 28175), (735, 25875), (805, 23625), (875, 21735), (945, 20125), (1035, 18375), (1125, 16905), (1127, 16875), (1225, 15525), (1323, 14375), (1449, 13125), (1575, 12075), (1725, 11025), (1875, 10143), (2205, 8625), (2415, 7875), (2625, 7245), (2875, 6615), (3105, 6125), (3375, 5635), (3381, 5625), (3675, 5175), (4025, 4725), (4347, 4375)]