17927990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 33349536

約数和(自身を除く): 15421546

約数列:

[1, 2, 5, 10, 43, 86, 173, 215, 241, 346, 430, 482, 865, 1205, 1730, 2410, 7439, 10363, 14878, 20726, 37195, 41693, 51815, 74390, 83386, 103630, 208465, 416930, 1792799, 3585598, 8963995, 17927990]

約数ペア:

[(1, 17927990), (2, 8963995), (5, 3585598), (10, 1792799), (43, 416930), (86, 208465), (173, 103630), (215, 83386), (241, 74390), (346, 51815), (430, 41693), (482, 37195), (865, 20726), (1205, 14878), (1730, 10363), (2410, 7439)]