19315538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 14276782

約数列:

[1, 2, 11, 22, 23, 46, 59, 118, 253, 506, 647, 649, 1294, 1298, 1357, 2714, 7117, 14234, 14881, 14927, 29762, 29854, 38173, 76346, 163691, 327382, 419903, 839806, 877979, 1755958, 9657769, 19315538]

約数ペア:

[(1, 19315538), (2, 9657769), (11, 1755958), (22, 877979), (23, 839806), (46, 419903), (59, 327382), (118, 163691), (253, 76346), (506, 38173), (647, 29854), (649, 29762), (1294, 14927), (1298, 14881), (1357, 14234), (2714, 7117)]