19868316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 51219504

約数和(自身を除く): 31351188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 97, 101, 156, 169, 194, 202, 291, 303, 338, 388, 404, 507, 582, 606, 676, 1014, 1164, 1212, 1261, 1313, 2028, 2522, 2626, 3783, 3939, 5044, 5252, 7566, 7878, 9797, 15132, 15756, 16393, 17069, 19594, 29391, 32786, 34138, 39188, 49179, 51207, 58782, 65572, 68276, 98358, 102414, 117564, 127361, 196716, 204828, 254722, 382083, 509444, 764166, 1528332, 1655693, 3311386, 4967079, 6622772, 9934158, 19868316]

約数ペア:

[(1, 19868316), (2, 9934158), (3, 6622772), (4, 4967079), (6, 3311386), (12, 1655693), (13, 1528332), (26, 764166), (39, 509444), (52, 382083), (78, 254722), (97, 204828), (101, 196716), (156, 127361), (169, 117564), (194, 102414), (202, 98358), (291, 68276), (303, 65572), (338, 58782), (388, 51207), (404, 49179), (507, 39188), (582, 34138), (606, 32786), (676, 29391), (1014, 19594), (1164, 17069), (1212, 16393), (1261, 15756), (1313, 15132), (2028, 9797), (2522, 7878), (2626, 7566), (3783, 5252), (3939, 5044)]