2019403984

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{24091}}^1$

素因数の和:24156

約数の個数: 60

約数和(自身を含む): 4373565312

約数和(自身を除く): 2354161328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2704, 3224, 5239, 6448, 10478, 20956, 24091, 41912, 48182, 83824, 96364, 192728, 313183, 385456, 626366, 746821, 1252732, 1493642, 2505464, 2987284, 4071379, 5010928, 5974568, 8142758, 9708673, 11949136, 16285516, 19417346, 32571032, 38834692, 65142064, 77669384, 126212749, 155338768, 252425498, 504850996, 1009701992, 2019403984]

約数ペア:

[(1, 2019403984), (2, 1009701992), (4, 504850996), (8, 252425498), (13, 155338768), (16, 126212749), (26, 77669384), (31, 65142064), (52, 38834692), (62, 32571032), (104, 19417346), (124, 16285516), (169, 11949136), (208, 9708673), (248, 8142758), (338, 5974568), (403, 5010928), (496, 4071379), (676, 2987284), (806, 2505464), (1352, 1493642), (1612, 1252732), (2704, 746821), (3224, 626366), (5239, 385456), (6448, 313183), (10478, 192728), (20956, 96364), (24091, 83824), (41912, 48182)]