17989790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 40715136

約数和(自身を除く): 22725346

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 182, 265, 371, 373, 455, 530, 689, 742, 746, 910, 1378, 1855, 1865, 2611, 3445, 3710, 3730, 4823, 4849, 5222, 6890, 9646, 9698, 13055, 19769, 24115, 24245, 26110, 33943, 39538, 48230, 48490, 67886, 98845, 138383, 169715, 197690, 256997, 276766, 339430, 513994, 691915, 1284985, 1383830, 1798979, 2569970, 3597958, 8994895, 17989790]

約数ペア:

[(1, 17989790), (2, 8994895), (5, 3597958), (7, 2569970), (10, 1798979), (13, 1383830), (14, 1284985), (26, 691915), (35, 513994), (53, 339430), (65, 276766), (70, 256997), (91, 197690), (106, 169715), (130, 138383), (182, 98845), (265, 67886), (371, 48490), (373, 48230), (455, 39538), (530, 33943), (689, 26110), (742, 24245), (746, 24115), (910, 19769), (1378, 13055), (1855, 9698), (1865, 9646), (2611, 6890), (3445, 5222), (3710, 4849), (3730, 4823)]