19194868

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 25046252

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 307, 308, 319, 406, 539, 614, 638, 812, 1078, 1228, 1276, 1421, 2149, 2156, 2233, 2842, 3377, 4298, 4466, 5684, 6754, 8596, 8903, 8932, 13508, 15043, 15631, 17806, 23639, 30086, 31262, 35612, 47278, 60172, 62321, 62524, 94556, 97933, 124642, 165473, 195866, 249284, 330946, 391732, 436247, 661892, 685531, 872494, 1371062, 1744988, 2742124, 4798717, 9597434, 19194868]

約数ペア:

[(1, 19194868), (2, 9597434), (4, 4798717), (7, 2742124), (11, 1744988), (14, 1371062), (22, 872494), (28, 685531), (29, 661892), (44, 436247), (49, 391732), (58, 330946), (77, 249284), (98, 195866), (116, 165473), (154, 124642), (196, 97933), (203, 94556), (307, 62524), (308, 62321), (319, 60172), (406, 47278), (539, 35612), (614, 31262), (638, 30086), (812, 23639), (1078, 17806), (1228, 15631), (1276, 15043), (1421, 13508), (2149, 8932), (2156, 8903), (2233, 8596), (2842, 6754), (3377, 5684), (4298, 4466)]