19685390136

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1305

約数の個数: 128

約数和(自身を含む): 51212943360

約数和(自身を除く): 31527553224

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 71, 94, 141, 142, 188, 213, 271, 282, 284, 376, 426, 542, 564, 568, 813, 852, 907, 1084, 1128, 1626, 1704, 1814, 2168, 2721, 3252, 3337, 3628, 5442, 6504, 6674, 7256, 10011, 10884, 12737, 13348, 19241, 20022, 21768, 25474, 26696, 38211, 38482, 40044, 42629, 50948, 57723, 64397, 76422, 76964, 80088, 85258, 101896, 115446, 127887, 128794, 152844, 153928, 170516, 193191, 230892, 245797, 255774, 257588, 305688, 341032, 386382, 461784, 491594, 511548, 515176, 737391, 772764, 904327, 983188, 1023096, 1474782, 1545528, 1808654, 1966376, 2712981, 2949564, 3026659, 3617308, 5425962, 5899128, 6053318, 7234616, 9079977, 10851924, 11552459, 12106636, 17451587, 18159954, 21703848, 23104918, 24213272, 34657377, 34903174, 36319908, 46209836, 52354761, 69314754, 69806348, 72639816, 92419672, 104709522, 138629508, 139612696, 209419044, 277259016, 418838088, 820224589, 1640449178, 2460673767, 3280898356, 4921347534, 6561796712, 9842695068, 19685390136]

約数ペア:

[(1, 19685390136), (2, 9842695068), (3, 6561796712), (4, 4921347534), (6, 3280898356), (8, 2460673767), (12, 1640449178), (24, 820224589), (47, 418838088), (71, 277259016), (94, 209419044), (141, 139612696), (142, 138629508), (188, 104709522), (213, 92419672), (271, 72639816), (282, 69806348), (284, 69314754), (376, 52354761), (426, 46209836), (542, 36319908), (564, 34903174), (568, 34657377), (813, 24213272), (852, 23104918), (907, 21703848), (1084, 18159954), (1128, 17451587), (1626, 12106636), (1704, 11552459), (1814, 10851924), (2168, 9079977), (2721, 7234616), (3252, 6053318), (3337, 5899128), (3628, 5425962), (5442, 3617308), (6504, 3026659), (6674, 2949564), (7256, 2712981), (10011, 1966376), (10884, 1808654), (12737, 1545528), (13348, 1474782), (19241, 1023096), (20022, 983188), (21768, 904327), (25474, 772764), (26696, 737391), (38211, 515176), (38482, 511548), (40044, 491594), (42629, 461784), (50948, 386382), (57723, 341032), (64397, 305688), (76422, 257588), (76964, 255774), (80088, 245797), (85258, 230892), (101896, 193191), (115446, 170516), (127887, 153928), (128794, 152844)]