19011153

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 14166447

約数列:

[1, 3, 7, 19, 21, 29, 31, 53, 57, 87, 93, 133, 159, 203, 217, 371, 399, 551, 589, 609, 651, 899, 1007, 1113, 1537, 1643, 1653, 1767, 2697, 3021, 3857, 4123, 4611, 4929, 6293, 7049, 10759, 11501, 11571, 12369, 17081, 18879, 21147, 29203, 31217, 32277, 34503, 47647, 51243, 87609, 93651, 119567, 142941, 204421, 218519, 333529, 358701, 613263, 655557, 905293, 1000587, 2715879, 6337051, 19011153]

約数ペア:

[(1, 19011153), (3, 6337051), (7, 2715879), (19, 1000587), (21, 905293), (29, 655557), (31, 613263), (53, 358701), (57, 333529), (87, 218519), (93, 204421), (133, 142941), (159, 119567), (203, 93651), (217, 87609), (371, 51243), (399, 47647), (551, 34503), (589, 32277), (609, 31217), (651, 29203), (899, 21147), (1007, 18879), (1113, 17081), (1537, 12369), (1643, 11571), (1653, 11501), (1767, 10759), (2697, 7049), (3021, 6293), (3857, 4929), (4123, 4611)]