20169171916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1\times {\mathrm{1907}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 37375430400

約数和(自身を除く): 17206258484

約数列:

[1, 2, 4, 19, 38, 76, 317, 439, 634, 878, 1268, 1756, 1907, 3814, 6023, 7628, 8341, 12046, 16682, 24092, 33364, 36233, 72466, 139163, 144932, 278326, 556652, 604519, 837173, 1209038, 1674346, 2418076, 2644097, 3348692, 5288194, 10576388, 11485861, 15906287, 22971722, 31812574, 45943444, 63625148, 265383841, 530767682, 1061535364, 5042292979, 10084585958, 20169171916]

約数ペア:

[(1, 20169171916), (2, 10084585958), (4, 5042292979), (19, 1061535364), (38, 530767682), (76, 265383841), (317, 63625148), (439, 45943444), (634, 31812574), (878, 22971722), (1268, 15906287), (1756, 11485861), (1907, 10576388), (3814, 5288194), (6023, 3348692), (7628, 2644097), (8341, 2418076), (12046, 1674346), (16682, 1209038), (24092, 837173), (33364, 604519), (36233, 556652), (72466, 278326), (139163, 144932)]