15217138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 25171200

約数和(自身を除く): 9954062

約数列:

[1, 2, 19, 37, 38, 74, 79, 137, 158, 274, 703, 1406, 1501, 2603, 2923, 3002, 5069, 5206, 5846, 10138, 10823, 21646, 55537, 96311, 111074, 192622, 205637, 400451, 411274, 800902, 7608569, 15217138]

約数ペア:

[(1, 15217138), (2, 7608569), (19, 800902), (37, 411274), (38, 400451), (74, 205637), (79, 192622), (137, 111074), (158, 96311), (274, 55537), (703, 21646), (1406, 10823), (1501, 10138), (2603, 5846), (2923, 5206), (3002, 5069)]