19374376

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 24977624

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 131, 133, 139, 152, 262, 266, 278, 524, 532, 556, 917, 973, 1048, 1064, 1112, 1834, 1946, 2489, 2641, 3668, 3892, 4978, 5282, 7336, 7784, 9956, 10564, 17423, 18209, 18487, 19912, 21128, 34846, 36418, 36974, 69692, 72836, 73948, 127463, 139384, 145672, 147896, 254926, 345971, 509852, 691942, 1019704, 1383884, 2421797, 2767768, 4843594, 9687188, 19374376]

約数ペア:

[(1, 19374376), (2, 9687188), (4, 4843594), (7, 2767768), (8, 2421797), (14, 1383884), (19, 1019704), (28, 691942), (38, 509852), (56, 345971), (76, 254926), (131, 147896), (133, 145672), (139, 139384), (152, 127463), (262, 73948), (266, 72836), (278, 69692), (524, 36974), (532, 36418), (556, 34846), (917, 21128), (973, 19912), (1048, 18487), (1064, 18209), (1112, 17423), (1834, 10564), (1946, 9956), (2489, 7784), (2641, 7336), (3668, 5282), (3892, 4978)]