20131573804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1\times {\mathrm{3919}}^1$

素因数の和:4462

約数の個数: 48

約数和(自身を含む): 37379865600

約数和(自身を除く): 17248291796

約数列:

[1, 2, 4, 19, 38, 76, 257, 263, 514, 526, 1028, 1052, 3919, 4883, 4997, 7838, 9766, 9994, 15676, 19532, 19988, 67591, 74461, 135182, 148922, 270364, 297844, 1007183, 1030697, 1284229, 2014366, 2061394, 2568458, 4028732, 4122788, 5136916, 19136477, 19583243, 38272954, 39166486, 76545908, 78332972, 264889129, 529778258, 1059556516, 5032893451, 10065786902, 20131573804]

約数ペア:

[(1, 20131573804), (2, 10065786902), (4, 5032893451), (19, 1059556516), (38, 529778258), (76, 264889129), (257, 78332972), (263, 76545908), (514, 39166486), (526, 38272954), (1028, 19583243), (1052, 19136477), (3919, 5136916), (4883, 4122788), (4997, 4028732), (7838, 2568458), (9766, 2061394), (9994, 2014366), (15676, 1284229), (19532, 1030697), (19988, 1007183), (67591, 297844), (74461, 270364), (135182, 148922)]