17962687678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{216371}}^1$

素因数の和:216520

約数の個数: 32

約数和(自身を含む): 30243612672

約数和(自身を除く): 12280924994

約数列:

[1, 2, 13, 26, 31, 62, 103, 206, 403, 806, 1339, 2678, 3193, 6386, 41509, 83018, 216371, 432742, 2812823, 5625646, 6707501, 13415002, 22286213, 44572426, 87197513, 174395026, 289720769, 579441538, 690872603, 1381745206, 8981343839, 17962687678]

約数ペア:

[(1, 17962687678), (2, 8981343839), (13, 1381745206), (26, 690872603), (31, 579441538), (62, 289720769), (103, 174395026), (206, 87197513), (403, 44572426), (806, 22286213), (1339, 13415002), (2678, 6707501), (3193, 5625646), (6386, 2812823), (41509, 432742), (83018, 216371)]