18720300704

素因数分解:

$2^5\times 7^1\times {\mathrm{739}}^1\times {\mathrm{113089}}^1$

素因数の和:113845

約数の個数: 48

約数和(自身を含む): 42178046400

約数和(自身を除く): 23457745696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 739, 1478, 2956, 5173, 5912, 10346, 11824, 20692, 23648, 41384, 82768, 113089, 165536, 226178, 452356, 791623, 904712, 1583246, 1809424, 3166492, 3618848, 6332984, 12665968, 25331936, 83572771, 167145542, 334291084, 585009397, 668582168, 1170018794, 1337164336, 2340037588, 2674328672, 4680075176, 9360150352, 18720300704]

約数ペア:

[(1, 18720300704), (2, 9360150352), (4, 4680075176), (7, 2674328672), (8, 2340037588), (14, 1337164336), (16, 1170018794), (28, 668582168), (32, 585009397), (56, 334291084), (112, 167145542), (224, 83572771), (739, 25331936), (1478, 12665968), (2956, 6332984), (5173, 3618848), (5912, 3166492), (10346, 1809424), (11824, 1583246), (20692, 904712), (23648, 791623), (41384, 452356), (82768, 226178), (113089, 165536)]