19734516

素因数分解:

$2^2\times 3^5\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 52590720

約数和(自身を除く): 32856204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 257, 316, 324, 474, 486, 514, 711, 771, 948, 972, 1028, 1422, 1542, 2133, 2313, 2844, 3084, 4266, 4626, 6399, 6939, 8532, 9252, 12798, 13878, 19197, 20303, 20817, 25596, 27756, 38394, 40606, 41634, 60909, 62451, 76788, 81212, 83268, 121818, 124902, 182727, 243636, 249804, 365454, 548181, 730908, 1096362, 1644543, 2192724, 3289086, 4933629, 6578172, 9867258, 19734516]

約数ペア:

[(1, 19734516), (2, 9867258), (3, 6578172), (4, 4933629), (6, 3289086), (9, 2192724), (12, 1644543), (18, 1096362), (27, 730908), (36, 548181), (54, 365454), (79, 249804), (81, 243636), (108, 182727), (158, 124902), (162, 121818), (237, 83268), (243, 81212), (257, 76788), (316, 62451), (324, 60909), (474, 41634), (486, 40606), (514, 38394), (711, 27756), (771, 25596), (948, 20817), (972, 20303), (1028, 19197), (1422, 13878), (1542, 12798), (2133, 9252), (2313, 8532), (2844, 6939), (3084, 6399), (4266, 4626)]