19503804

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 48343680

約数和(自身を除く): 28839876

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 131, 228, 262, 393, 524, 653, 786, 1306, 1572, 1959, 2489, 2612, 3918, 4978, 7467, 7836, 9956, 12407, 14934, 24814, 29868, 37221, 49628, 74442, 85543, 148884, 171086, 256629, 342172, 513258, 1026516, 1625317, 3250634, 4875951, 6501268, 9751902, 19503804]

約数ペア:

[(1, 19503804), (2, 9751902), (3, 6501268), (4, 4875951), (6, 3250634), (12, 1625317), (19, 1026516), (38, 513258), (57, 342172), (76, 256629), (114, 171086), (131, 148884), (228, 85543), (262, 74442), (393, 49628), (524, 37221), (653, 29868), (786, 24814), (1306, 14934), (1572, 12407), (1959, 9956), (2489, 7836), (2612, 7467), (3918, 4978)]