18929996912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{2131}}^1$

素因数の和:2502

約数の個数: 80

約数和(自身を含む): 38830371840

約数和(自身を除く): 19900374928

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 239, 368, 404, 478, 808, 956, 1616, 1912, 2131, 2323, 3824, 4262, 4646, 5497, 8524, 9292, 10994, 17048, 18584, 21988, 24139, 34096, 37168, 43976, 48278, 49013, 87952, 96556, 98026, 193112, 196052, 215231, 386224, 392104, 430462, 509309, 555197, 784208, 860924, 1018618, 1110394, 1721848, 2037236, 2220788, 3443696, 4074472, 4441576, 4950313, 8148944, 8883152, 9900626, 11714107, 19801252, 23428214, 39602504, 46856428, 51440209, 79205008, 93712856, 102880418, 187425712, 205760836, 411521672, 823043344, 1183124807, 2366249614, 4732499228, 9464998456, 18929996912]

約数ペア:

[(1, 18929996912), (2, 9464998456), (4, 4732499228), (8, 2366249614), (16, 1183124807), (23, 823043344), (46, 411521672), (92, 205760836), (101, 187425712), (184, 102880418), (202, 93712856), (239, 79205008), (368, 51440209), (404, 46856428), (478, 39602504), (808, 23428214), (956, 19801252), (1616, 11714107), (1912, 9900626), (2131, 8883152), (2323, 8148944), (3824, 4950313), (4262, 4441576), (4646, 4074472), (5497, 3443696), (8524, 2220788), (9292, 2037236), (10994, 1721848), (17048, 1110394), (18584, 1018618), (21988, 860924), (24139, 784208), (34096, 555197), (37168, 509309), (43976, 430462), (48278, 392104), (49013, 386224), (87952, 215231), (96556, 196052), (98026, 193112)]