19993887648

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9917603}}^1$

素因数の和:9917626

約数の個数: 72

約数和(自身を含む): 64980141408

約数和(自身を除く): 44986253760

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9917603, 19835206, 29752809, 39670412, 59505618, 69423221, 79340824, 89258427, 119011236, 138846442, 158681648, 178516854, 208269663, 238022472, 277692884, 317363296, 357033708, 416539326, 476044944, 555385768, 624808989, 714067416, 833078652, 952089888, 1110771536, 1249617978, 1428134832, 1666157304, 2221543072, 2499235956, 2856269664, 3332314608, 4998471912, 6664629216, 9996943824, 19993887648]

約数ペア:

[(1, 19993887648), (2, 9996943824), (3, 6664629216), (4, 4998471912), (6, 3332314608), (7, 2856269664), (8, 2499235956), (9, 2221543072), (12, 1666157304), (14, 1428134832), (16, 1249617978), (18, 1110771536), (21, 952089888), (24, 833078652), (28, 714067416), (32, 624808989), (36, 555385768), (42, 476044944), (48, 416539326), (56, 357033708), (63, 317363296), (72, 277692884), (84, 238022472), (96, 208269663), (112, 178516854), (126, 158681648), (144, 138846442), (168, 119011236), (224, 89258427), (252, 79340824), (288, 69423221), (336, 59505618), (504, 39670412), (672, 29752809), (1008, 19835206), (2016, 9917603)]