2019968356

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31907}}^1$

素因数の和:31961

約数の個数: 72

約数和(自身を含む): 4583265120

約数和(自身を除く): 2563296764

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 323, 476, 532, 646, 833, 931, 1292, 1666, 1862, 2261, 3332, 3724, 4522, 9044, 15827, 31654, 31907, 63308, 63814, 127628, 223349, 446698, 542419, 606233, 893396, 1084838, 1212466, 1563443, 2169676, 2424932, 3126886, 3796933, 4243631, 6253772, 7593866, 8487262, 10305961, 15187732, 16974524, 20611922, 26578531, 29705417, 41223844, 53157062, 59410834, 72141727, 106314124, 118821668, 144283454, 288566908, 504992089, 1009984178, 2019968356]

約数ペア:

[(1, 2019968356), (2, 1009984178), (4, 504992089), (7, 288566908), (14, 144283454), (17, 118821668), (19, 106314124), (28, 72141727), (34, 59410834), (38, 53157062), (49, 41223844), (68, 29705417), (76, 26578531), (98, 20611922), (119, 16974524), (133, 15187732), (196, 10305961), (238, 8487262), (266, 7593866), (323, 6253772), (476, 4243631), (532, 3796933), (646, 3126886), (833, 2424932), (931, 2169676), (1292, 1563443), (1666, 1212466), (1862, 1084838), (2261, 893396), (3332, 606233), (3724, 542419), (4522, 446698), (9044, 223349), (15827, 127628), (31654, 63814), (31907, 63308)]