19797738

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 40941504

約数和(自身を除く): 21143766

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 257, 347, 514, 694, 771, 1041, 1542, 2082, 9509, 12839, 19018, 25678, 28527, 38517, 57054, 77034, 89179, 178358, 267537, 535074, 3299623, 6599246, 9898869, 19797738]

約数ペア:

[(1, 19797738), (2, 9898869), (3, 6599246), (6, 3299623), (37, 535074), (74, 267537), (111, 178358), (222, 89179), (257, 77034), (347, 57054), (514, 38517), (694, 28527), (771, 25678), (1041, 19018), (1542, 12839), (2082, 9509)]