19216652

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 43287552

約数和(自身を除く): 24070900

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 131, 169, 182, 217, 262, 338, 364, 403, 434, 524, 676, 806, 868, 917, 1183, 1612, 1703, 1834, 2366, 2821, 3406, 3668, 4061, 4732, 5239, 5642, 6812, 8122, 10478, 11284, 11921, 16244, 20956, 22139, 23842, 28427, 36673, 44278, 47684, 52793, 56854, 73346, 88556, 105586, 113708, 146692, 154973, 211172, 309946, 369551, 619892, 686309, 739102, 1372618, 1478204, 2745236, 4804163, 9608326, 19216652]

約数ペア:

[(1, 19216652), (2, 9608326), (4, 4804163), (7, 2745236), (13, 1478204), (14, 1372618), (26, 739102), (28, 686309), (31, 619892), (52, 369551), (62, 309946), (91, 211172), (124, 154973), (131, 146692), (169, 113708), (182, 105586), (217, 88556), (262, 73346), (338, 56854), (364, 52793), (403, 47684), (434, 44278), (524, 36673), (676, 28427), (806, 23842), (868, 22139), (917, 20956), (1183, 16244), (1612, 11921), (1703, 11284), (1834, 10478), (2366, 8122), (2821, 6812), (3406, 5642), (3668, 5239), (4061, 4732)]