19444144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 20553296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 167, 304, 334, 383, 668, 766, 1336, 1532, 2672, 3064, 3173, 6128, 6346, 7277, 12692, 14554, 25384, 29108, 50768, 58216, 63961, 116432, 127922, 255844, 511688, 1023376, 1215259, 2430518, 4861036, 9722072, 19444144]

約数ペア:

[(1, 19444144), (2, 9722072), (4, 4861036), (8, 2430518), (16, 1215259), (19, 1023376), (38, 511688), (76, 255844), (152, 127922), (167, 116432), (304, 63961), (334, 58216), (383, 50768), (668, 29108), (766, 25384), (1336, 14554), (1532, 12692), (2672, 7277), (3064, 6346), (3173, 6128)]