18661936

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 37564560

約数和(自身を除く): 18902624

約数列:

[1, 2, 4, 8, 16, 53, 59, 106, 118, 212, 236, 373, 424, 472, 746, 848, 944, 1492, 2984, 3127, 5968, 6254, 12508, 19769, 22007, 25016, 39538, 44014, 50032, 79076, 88028, 158152, 176056, 316304, 352112, 1166371, 2332742, 4665484, 9330968, 18661936]

約数ペア:

[(1, 18661936), (2, 9330968), (4, 4665484), (8, 2332742), (16, 1166371), (53, 352112), (59, 316304), (106, 176056), (118, 158152), (212, 88028), (236, 79076), (373, 50032), (424, 44014), (472, 39538), (746, 25016), (848, 22007), (944, 19769), (1492, 12508), (2984, 6254), (3127, 5968)]