18375027790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{409517}}^1$

素因数の和:410172

約数の個数: 32

約数和(自身を含む): 37859120064

約数和(自身を除く): 19484092274

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 641, 1282, 3205, 4487, 6410, 8974, 22435, 44870, 409517, 819034, 2047585, 2866619, 4095170, 5733238, 14333095, 28666190, 262500397, 525000794, 1312501985, 1837502779, 2625003970, 3675005558, 9187513895, 18375027790]

約数ペア:

[(1, 18375027790), (2, 9187513895), (5, 3675005558), (7, 2625003970), (10, 1837502779), (14, 1312501985), (35, 525000794), (70, 262500397), (641, 28666190), (1282, 14333095), (3205, 5733238), (4487, 4095170), (6410, 2866619), (8974, 2047585), (22435, 819034), (44870, 409517)]