19701088

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 42822864

約数和(自身を除く): 23121776

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 97, 176, 194, 352, 388, 577, 776, 1067, 1154, 1552, 2134, 2308, 3104, 4268, 4616, 6347, 8536, 9232, 12694, 17072, 18464, 25388, 34144, 50776, 55969, 101552, 111938, 203104, 223876, 447752, 615659, 895504, 1231318, 1791008, 2462636, 4925272, 9850544, 19701088]

約数ペア:

[(1, 19701088), (2, 9850544), (4, 4925272), (8, 2462636), (11, 1791008), (16, 1231318), (22, 895504), (32, 615659), (44, 447752), (88, 223876), (97, 203104), (176, 111938), (194, 101552), (352, 55969), (388, 50776), (577, 34144), (776, 25388), (1067, 18464), (1154, 17072), (1552, 12694), (2134, 9232), (2308, 8536), (3104, 6347), (4268, 4616)]