18756543008

素因数分解:

$2^5\times 7^2\times {\mathrm{163}}^1\times {\mathrm{73387}}^1$

素因数の和:73574

約数の個数: 72

約数和(自身を含む): 43219954512

約数和(自身を除く): 24463411504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 163, 196, 224, 326, 392, 652, 784, 1141, 1304, 1568, 2282, 2608, 4564, 5216, 7987, 9128, 15974, 18256, 31948, 36512, 63896, 73387, 127792, 146774, 255584, 293548, 513709, 587096, 1027418, 1174192, 2054836, 2348384, 3595963, 4109672, 7191926, 8219344, 11962081, 14383852, 16438688, 23924162, 28767704, 47848324, 57535408, 83734567, 95696648, 115070816, 167469134, 191393296, 334938268, 382786592, 586141969, 669876536, 1172283938, 1339753072, 2344567876, 2679506144, 4689135752, 9378271504, 18756543008]

約数ペア:

[(1, 18756543008), (2, 9378271504), (4, 4689135752), (7, 2679506144), (8, 2344567876), (14, 1339753072), (16, 1172283938), (28, 669876536), (32, 586141969), (49, 382786592), (56, 334938268), (98, 191393296), (112, 167469134), (163, 115070816), (196, 95696648), (224, 83734567), (326, 57535408), (392, 47848324), (652, 28767704), (784, 23924162), (1141, 16438688), (1304, 14383852), (1568, 11962081), (2282, 8219344), (2608, 7191926), (4564, 4109672), (5216, 3595963), (7987, 2348384), (9128, 2054836), (15974, 1174192), (18256, 1027418), (31948, 587096), (36512, 513709), (63896, 293548), (73387, 255584), (127792, 146774)]