18684334

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 30834720

約数和(自身を除く): 12150386

約数列:

[1, 2, 19, 37, 38, 74, 97, 137, 194, 274, 703, 1406, 1843, 2603, 3589, 3686, 5069, 5206, 7178, 10138, 13289, 26578, 68191, 96311, 136382, 192622, 252491, 491693, 504982, 983386, 9342167, 18684334]

約数ペア:

[(1, 18684334), (2, 9342167), (19, 983386), (37, 504982), (38, 491693), (74, 252491), (97, 192622), (137, 136382), (194, 96311), (274, 68191), (703, 26578), (1406, 13289), (1843, 10138), (2603, 7178), (3589, 5206), (3686, 5069)]