2008190902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 3365683200

約数和(自身を除く): 1357492298

約数列:

[1, 2, 19, 38, 43, 47, 79, 86, 94, 158, 331, 662, 817, 893, 1501, 1634, 1786, 2021, 3002, 3397, 3713, 4042, 6289, 6794, 7426, 12578, 14233, 15557, 26149, 28466, 31114, 38399, 52298, 64543, 70547, 76798, 129086, 141094, 159659, 270427, 295583, 319318, 496831, 540854, 591166, 668951, 993662, 1124407, 1229003, 1337902, 2248814, 2458006, 3033521, 6067042, 12710069, 21363733, 23351057, 25420138, 42727466, 46702114, 52847129, 105694258, 1004095451, 2008190902]

約数ペア:

[(1, 2008190902), (2, 1004095451), (19, 105694258), (38, 52847129), (43, 46702114), (47, 42727466), (79, 25420138), (86, 23351057), (94, 21363733), (158, 12710069), (331, 6067042), (662, 3033521), (817, 2458006), (893, 2248814), (1501, 1337902), (1634, 1229003), (1786, 1124407), (2021, 993662), (3002, 668951), (3397, 591166), (3713, 540854), (4042, 496831), (6289, 319318), (6794, 295583), (7426, 270427), (12578, 159659), (14233, 141094), (15557, 129086), (26149, 76798), (28466, 70547), (31114, 64543), (38399, 52298)]