18951899796

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{73721}}^1$

素因数の和:73961

約数の個数: 72

約数和(自身を含む): 49456551144

約数和(自身を除く): 30504651348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 193, 222, 333, 386, 444, 579, 666, 772, 1158, 1332, 1737, 2316, 3474, 6948, 7141, 14282, 21423, 28564, 42846, 64269, 73721, 85692, 128538, 147442, 221163, 257076, 294884, 442326, 663489, 884652, 1326978, 2653956, 2727677, 5455354, 8183031, 10910708, 14228153, 16366062, 24549093, 28456306, 32732124, 42684459, 49098186, 56912612, 85368918, 98196372, 128053377, 170737836, 256106754, 512213508, 526441661, 1052883322, 1579324983, 2105766644, 3158649966, 4737974949, 6317299932, 9475949898, 18951899796]

約数ペア:

[(1, 18951899796), (2, 9475949898), (3, 6317299932), (4, 4737974949), (6, 3158649966), (9, 2105766644), (12, 1579324983), (18, 1052883322), (36, 526441661), (37, 512213508), (74, 256106754), (111, 170737836), (148, 128053377), (193, 98196372), (222, 85368918), (333, 56912612), (386, 49098186), (444, 42684459), (579, 32732124), (666, 28456306), (772, 24549093), (1158, 16366062), (1332, 14228153), (1737, 10910708), (2316, 8183031), (3474, 5455354), (6948, 2727677), (7141, 2653956), (14282, 1326978), (21423, 884652), (28564, 663489), (42846, 442326), (64269, 294884), (73721, 257076), (85692, 221163), (128538, 147442)]